1. Kristen Stewart and Rupert Sanders – 2012

Kristen Stewart held hands with Rupert Sanders. | All the Pictures of Kristen and Rupert's Secret PDA Meetup | POPSUGAR Celebrity Photo 17

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We remember this one like it was yesterday. In a huge tabloid shock, it was revealed that Kristen was having an affair with Snow White and the Huntsman director Rupert Sanders. Kristen was dating her Twilight co-star Robert Pattinson at the time, while Rupert was married to actress Liberty Ross. Not one couple survived the scandal.

2. Kate Hudson and Owen Wilson- 2006

Owen Wilson to wed Kate Hudson - a year after he tried to kill himself when she dumped him | Daily Mail Online

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Before she started working on You, Me and Dupree, Kate Hudson was happily married to singer Chris Robinson. But things went south for the couple as Kate started to get close to her co-star Owen Wilson. Kate and Owen’s relationship lasted just six months- but it was enough to completely end Kate’s marriage to Chris.

3. Emma Stone and Andrew Garfield- 2010

Pin by Emma ❣ on Imaginary Boyfriends | Andrew garfield, Emma stone andrew garfield, Andrew garfield spiderman

(Image/ Source: People)

When she was cast as Gwen Stacy in The Amazing Spider-Man, Emma was dating Kieran Culkin. Things quickly went south between the pair when she started getting close to her co-star Andrew Garfield, who was dating Shannon Woodward at the time. Emma and Andrew were in a relationship for four years before calling it a day.

4. Helena Bonham Carter and Kenneth Branagh- 1994

Emma Thompson has 'made her peace' with Helena Bonham Carter following her affair with Kenneth Branagh | HELLO!

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Helena and Kenneth met on the set of Mary Shelley’s Frankenstein back in the 1990s, and they fell head over heels for each other. Kenneth was married to Emma Thompson, but it didn’t stop them… Luckily, Emma doesn’t have any ill feelings towards them anymore. “You can’t hold on to anything like that… Helena and I made our peace years and years ago.”

5. Ewan McGregor and Mary Elizabeth Winstead- 2017

Ewan McGregor leaves London home with Mary Elizabeth Winstead as it's claimed wife Eve Mavrakis is 'LIVID she welcomed fling into family home' - Mirror Online

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After filming some VERY raunchy scenes together in Fargo, Ewan McGregor and Mary Elizabeth Winstead started seeing each other on the down-low. Ewan’s wife Eve Mavrakis filed for divorce after she got wind of the affair, and their daughter was less than impressed! Ewan and Mary went on to get married in 2022.

6. Meg Ryan and Russell Crowe- 2000

TBT: Meg Ryan and Russell Crowe | InStyle

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When they started filming Proof of Life, Meg Ryan and Russell Crowe got very cosy indeed. At the time, Meg was married to Dennis Quaid, but their marriage quickly fell apart and Meg moved on to Russell. And it seems that Meg R30 Celebs Who Have Cheated With Co-stars On Setyan still doesn’t regret it! In fact, she still admits she enjoyed being the ‘bad guy’ for a while…

7. Elizabeth Taylor and Richard Burton- 1962

Previously unseen picture of Richard Burton and Elizabeth Taylor kissing on their wedding day to feature in charity exhibition - Wales Online

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Their relationship is the stuff of Hollywood legend. After meeting on the set of Cleopatra, the pair found love- despite being married to other people at the time! Their relationship was a turbulent one; it seemed that they couldn’t be together, but couldn’t be without each other. They got married, divorced, married again, and then divorced for the final time.

8. Ted Danson and Whoopi Goldberg- 1992

Whoopi Goldberg and Ted Danson | These Iconic '90s Couples Will Have You Whispering, "Winona Forever" | POPSUGAR Celebrity Photo 28

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Ted Danson was married to the mother of his children, Casey Coates, as he started filming Made in America. By the end of filming, their marriage was over- all thanks to Ted’s VERY public affair with Whoopi Goldberg. Ted and Whoopi didn’t end up staying together, and he’s now happily married to Mary Steenburgen.

9. Tori Spelling and Dean McDermott- 2014

Tori Spelling “Heartbroken” To Learn Dean McDermott Hooked Up With Ex-Wife Mary Jo Eustace (REPORT) - In Touch Weekly

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When they started filming the Lifetime movie Mind Over Murder, Tori Spelling and Dean McDermott started hooking up. They were both married at the time, but the couple pushed on against the backlash and started a relationship. And Tori even admitted that they had sex the very first night that they met…

10. LeAnn Rimes and Eddie Cibrian- 2009

LeAnn Rimes and Eddie Cibrian go public with their love months after affair rumours ended their marriages | Daily Mail Online

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It seems that Lifetime movie sets are THE place to go if you’re looking to find a new celeb partner… LeAnn Rimes and Eddie Cibrian also met while filming a Lifetime movie- this one was called Northern Lights. Just like Tori and Dean, they were both married at the time, but decided to ditch their respective partners.

11. Billy Crudup and Claire Danes- 2003

TBT: Claire Danes and Billy Crudup | InStyle

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Out of the many celeb affairs out there, this one was probably one of the most outrageous. Billy Crudup was married to actress Mary Louise Parker when he met Claire Danes on the set of Stage Beauty, and he soon ditched his seven-month pregnant wife for her. It seems Claire later regretted it, but the damage was done.

12. Marilyn Manson and Evan Rachel Wood- 2006

Evan Rachel Wood, Marilyn Manson's Relationship Timeline

(Image/ Source: usweekly.com)

Evan Rachel Wood starred in Marilyn Manson’s music video for Heart-Shaped Glasses, and it didn’t take long for sparks to fly. Their affair went on to end Marilyn’s marriage to Dita Von Teese, and Evan has done her best to set the record straight. “I was craving danger and excitement… I met somebody who promised freedom and expression and no judgments.”

13.  John Malkovich and Michelle Pfeiffer- 1988

Michael and Lisa top names for love cheats - and Michelle loves a dalliance too - Mirror Online

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John Malkovich and Michelle Pfeiffer were smoking hot in Dangerous Liaisons. They had so much sexual chemistry that this spilt into life beyond the film set! They ended up having an affair that eventually ended John’s marriage to Glenne Headly- but John maintains he didn’t really know what he was doing at the time as he “sort of blacked out” his time with Michelle…

14. Morena Baccarin and Ben McKenzie- 2015

Ben McKenzie's pregnant co-star Morena Baccarin involved in custody feud | Daily Mail Online

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While they were filming Gotham, Morena Baccarin and Ben McKenzie got close. So close that she ended up pregnant! Morena was in the middle of divorcing her husband at the time, but it still caused quite the Hollywood scandal. Morena gave birth to a baby girl in 2016, and she then married Ben just over a year later.

15. Lily James and Dominic West- 2020

Inside Dominic West and Lily James' romantic Roman romp

(Image/ Source: Page Six)

After they met while filming The Pursuit of Love in 2020, Lily James and Dominic West started pursuing something of their own… The pair were spotted kissing by the press, even though Dominic was married to Catherine Fitzgerald, who he shares four kids with. But bizarrely, Dominic and Catherine made a VERY PDA and said “Our marriage is strong and we’re still very much together”.

16. Humphrey Bogart and Lauren Bacall- 1944

Humphrey Bogart and Lauren Bacall's Marriage - Bogie and Bacall's Short, Tragic Love Story

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Humphrey Bogart may have been married to Mayo Methot, but it didn’t stop him from pursuing Lauren Bacall while they were filming To Have and Have Not. Lauren was only 19 at the time, but the pair started a steamy affair while working on the movie. And director Howard Hawks was NOT happy- mainly because he had his eye on Lauren too!

17. Tom Cruise and Nicole Kidman- 1989

Nicole Kidman opens up about 'happy marriage' to Tom Cruise 20 years after split - Mirror Online

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Tom Cruise and Nicole Kidman found love while filming Days of Thunder. But there was just one problem; Tom was married to Mimi Rogers at the time. Tom and Mimi split just before the film was released, leaving Tom and Nicole to become Hollywood darlings. But the couple eventually went their separate ways in 2001.

18. Antonio Banderas and Melanie Griffith- 1996

Antonio Banderas Pursued Love Despite A Disastrous First Marriage

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Antonio Banderas and Melanie Griffith were cast alongside each other in the 1995 rom-com, Two Much. They were both married at the time, but they ended up divorcing their respective partners so they could be together. Antonio and Melanie also divorced after eighteen years of marriage- and it was Melanie who had filed the paperwork.

19. Ryan Phillippe and Abbie Cornish- 2006

Ryan Phillippe, Abbie Cornish - Ryan Phillippe Abbie Cornish Photos - Zimbio

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After Ryan Phillippe and Abbie Cornish met on the set of Stop-Loss, his marriage to Reese Witherspoon was doomed. The couple were already on the rocks, but as soon as Ryan started an affair with Abbie, Reese filed for divorce. The news of his infidelity rocked the industry, and Ryan and Abbie split shortly afterwards.

20. Carrie Fisher and Harrison Ford- 1976

Carrie Fisher Regretted Revealing Her Affair with Harrison Ford | Vanity Fair

(Image/ Source: Vanity Fair)

During their time on Star Wars, Carrie Fisher and Harrison Ford had a secret three-month affair. And nobody knew a thing about it- until Carrie decided to tell all to the press! Apparently the affair happened when she was just 19, while Harrison was 33, married, and had two kids. Carrie later regretted speaking out about the affair though…

21. Brad Pitt and Angelina Jolie- 2004

Brad Pitt and Angelina's 'grotto' where love bloomed while he was still married to Jennifer Aniston - Mirror Online

(Image/ Source: mirror.co.uk)

Their affair is probably one of the most in celeb history. While working on Mr and Mrs Smith, Brad and Ange immediately hit things off. Brad was with Hollywood darling Jennifer Anniston at the time, and Angela was more than happy to meet yet another romantic partner on set. Things didn’t turn out too well for them in the end though.

22. Justin Theroux and Jennifer Aniston- 2011

Jennifer Aniston's short-lived marriage to Justin Theroux: From romantic beginning to SHOCK split - Mirror Online

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Justin Theroux was in the midst of a 14-year-long relationship with Heidi Bivens when he started working on Wanderlust with Jennifer Aniston. They already knew each other through mutual friends, but spending long hours together on set drew them MUCH closer. Justin and Heidi then split, and he then tied the knot with Jen. Their marriage broke down in 2017.

23. Johnny Depp and Amber Heard- 2012

Johnny Depp and Amber Heard's Hottest Red Carpet Moments | Entertainment Tonight

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These two are rarely out of the headlines these days thanks to their chaotic legal battles. And their relationship also started in chaotic circumstances… Johnny was with actress Vanessa Paradis for thirteen years before he met Amber on the set of The Rum Diaries. Amber was with her partner of five years, Tasya van Ree, but it didn’t stop her and Johnny from starting an affair. And well know how that turned out…

24. Daniel Craig and Rachel Weisz- 2010

Daniel Craig and Rachel Weisz on a movie date in New York - Mirror Online

(Image/ Source: mirror.co.uk)

Rachel Weisz and Daniel Craig were both in ‘committed’ long-term relationships when they met on the set of the 2011 horror film Dream House. Rachel was in a nine-year relationship with director Darren Aronofsky, while Daniel had been with his girlfriend Satsuki Mitchell for seven years. The pair tied the knot a year after their affair, and they’re still notoriously private about their marriage.

25. Angelina Jolie and Billy Bob Thornton- 1999

Billy Bob Thornton explains why it didn't work out with ex, Angelina Jolie - Hindustan Times

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Before Brangelina, there was Angelina Jolie and Billy Bob Thornton. They met while filming the movie Pushing Tin, and they got married soon afterwards. There was just one problem- Billy Bob was in a relationship with Laura Dern at the time! She claimed that he never actually told her they’d broken up- he just left and married Ange. Ouch.

26. Katharine Hepburn and Spencer Tracy- 1942

№ 15 | Spencer Tracy & Katharine Hepburn :: This Is Glamorous
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Hollywood affairs have always been commonplace- just look at Katherine Hepburn and Spencer Tracy. They got together while filming the 1941 flick Woman of the Year, but they managed to avoid a tabloid scandal. The couple were able to keep their affair under wraps. Spencer stayed married to his wife Louise Treadwell, but continued his affair with Katherine until his death in 1967.

27. Jack Nicholson and Rebecca Broussard- 1989

Jack Nicholson Loves| List of Jack Nicholson Girlfriends

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Jack Nicholson had been dating Anjelica Huston on and off for 17 years, between 1973 and 1990. But when he met Rebecca Broussard on the set of The Two Jakes in 1989, he called time on his relationship with Anjelica- because he got Rebecca pregnant. The couple went on to have another child together, but they split shortly after this.

28. Clint Eastwood and Sondra Locke- 1975

THE MANY LOVES (AND CHILDREN) OF CLINT EASTWOOD | Daily Mail Online

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Clint Eastwood and Sondra Locke had their first encounter at a meeting at Universal Studios. The pair hit it off immediately, and they took their relationship to the next level in 1975 when they started living together while filming The Outlaw Josey Wales. However, all of this was happening while Clint was actually married to his first wife, Maggie Johnson…

29. Paul Newman and Joanne Woodward- 1957

The Truth About Paul Newman's Relationship With Joanne Woodward

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Paul Newman and Joanne Woodward had one of THE longest relationships in Hollywood. But things didn’t start off all that innocently… The pair met while filming The Long, Hot Summer back in 1957, and they soon started an affair. Paul was married to wife Jackie White at the time, but everyone soon forgot about the affair and accepted Paul and Joanne as a couple. Poor Jackie.

30. Steve McQueen and Ali MacGraw- 1973

Ali MacGraw on Steve McQueen: "I Always Thought He'd Leave Me"- Video

While they were filming The Gateway, Hollywood legends Steve McQueen and Ali MacGraw fell head over heels for each other. But there was a slight problem; Ali was married to producer Robert Evans at the time. Ali eventually divorced Robert to be with Steve, and they got hitched. However, Steve expected Ali to give up her acting career, and she quickly divorced him. We can’t say we blame her…

31. Debra Messing And Will Chase

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Debra Messing was married to her husband of 16 years – producer Daniel Zelman until it broke down. But, the reason wasn’t so innocent. Her Smash co-star Will Chase also divorced from his wife at the same time. The two has actually been seeing each other already, but they called it quits after two years.

32. Paris Hilton And Chad Murray

ZOZO — raunchily: Paris Hilton, Chad Michael Murray &...

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These two 00s stars were filming House of Wax together when their mutual attraction proved too much to deny and the two of them started to date one another. But… Chad Murray was married to Sophia Bush at the time. All three kept quiet about it but Bush quickly filed for a divorce from her husband.

33. Suzie Amis And James Cameron

Suzy Amis Cameron on why she and husband James have put down roots in New Zealand | Stuff.co.nz

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Director James Cameron and his wife Suzie Amis did not have the most innocent start to their marriage. The two of them fell in love quickly whilst filming for Titanic. But there was a problem. He was living with Linda Hamilton his long term girlfriend at the time. So, he chose to marry Hamilton – the divorced her and got back with Amis who he’s still married to to this very day.

34. Kelsey Grammar And Kayte Walsh

Kelsey and Kayte Grammer Welcome a Baby Boy! - E! Online - CA

(Image/ Source: Her.ie)

The Frasier star Kelsey Grammar and Kayte Walsh met and and could not keep away from one another. However it was not that simple. He was married to Camille Grammer. This did not stop them. Although they are not proud of their beginnings the two are still married now eight years later.

35. Elizabeth Taylor And Eddie Fisher

Eddie Fisher - The Many Marriages of Elizabeth Taylor: Everything You Wanted To Know About Her Seven Husbands | The Economic Times

(Image/ Source: The Economic Times)

Elizabeth Taylor was best friends with Eddie Fisher’s wife Debbie. But, that did not stop her having an affair with Eddie Fisher. And not only that, but she then married him. Until the marriage broke down after five years due to another cheating scandal.

36. Woody Allen And Soon Yi Previn

The History of New York Scandals - Woody Allen's Affair With Soon-Yi -- New York Magazine - Nymag

(Image/ Source: NYmagazine)

Woody Allen was dating Mia Farrow…that is until he met her adopted daughter Soon Yi . Talk about complicated. He then pursued her daughter which of course caused a great stir. But, the two of them are still together after 22 years so we can safely say it worked out in the end.

37. Julia Roberts And Daniel Moder

Julia Roberts and Daniel Moder get cozy on a yacht in Italy(Image/ Source: Page6)

Here’s another success story that started in a not so perfect way. Daniel Moder was married to makeup artist Vera Steimberg. He then started filming for The Mexican where he met Julia Roberts on set. The two of them hit it off and were dating for 6 months before he filed a divorce with his wife. Daniel and Julia have now been together more than 17 years.

38. Ryan Shawhughes And Ethan Hawke

Ethan Hawke and his wife Ryan Shawhughes Spotted @ US Open - The JJB

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Actor Ethan Hawke was married to Uma Thurman when he struck up an affair with Ryan Shawhughes. He divorced his previous wife and pursued how new relationship which succeeded. He is now married to Ryan Shawhughes and the pair of them have two children together.

39. Megan Fox And Machine Gun Kelly

Watch Megan Fox and Machine Gun Kelly Kiss in 'Drunk Face' Music Video(Image/ Source: Elle)

Megan Fox was married to Brian Green for 10 years. She had met him on set of the Transformers when she was just 18. But, she then met Machine Gun Kelly on the set of the film The Switchgrass and it is thought that her divorce to her ex-husband came after some cross over with Kelly.

41. Ingrid Bergman And Roberto Rossellini

Ingrid Bergman and Roberto Rossellini, Cannes] | International Center of Photography(Image/ Source: Icp)

Ingrid Bergman and Roberto Rossellini fell in love whilst on the set of the film Stromboli together. But, she was married and not only did it tear her marriage apart but it also ruined her career. When word of the affair got out she was kicked out of Hollywood due to the scandal.

42. Nicollette Sheridan and Michael Bolton

Nicollette Sheridan, Michael Bolton - Nicollette Sheridan Michael Bolton Photos - Zimbio(Image/ Source: Zimbio)

Nicollette Sheridan and Michael Bolton met on the set of the TV film Deceptions when they struck up a romance together. But, Nicollette Sheridan was married to Harry Hamlin at the time who she left for her new beau, so of course the whole thing caused a media scandal.

43. Frank Sinatra and Ava Gardner

Ava Gardner kissing Frank Sinatra | Ava gardner frank sinatra, Sinatra, Frank sinatra(Image/ Source: Pinteres)

The singer/ actor Frank Sinatra was married to his wife Nancy at the time of meeting Ava Gardner. Ava was an actress, and the two had an undeniable bond and quickly got together. He then filed for a divorce in 1950 and by 1951 he was remarried to Ava.

44. Mel Gibson and Oksana Grigorieva

Mel Gibson Accuses Ex-Girlfriend Oksana Grigorieva of Extortion - CBS News(Image/ Source: CBSnews.ie)

In 2009 Mel Gibson’s wife filed for a divorce after 30 years of marriage. It soon became apparent why. The actor had been having an affair with Grigorieva and not only that, she was pregnant with his child. They had a daughter but split just later that year.

45. Justin Timberlake and Alisha Wainwright

Married Justin Timberlake holds hands with co-star Alisha Wainwright who strokes his knee during boozy night out(Image/ Source: TheSun)

Justin Timberlake and Alisha Wainwright were filming for the movie Palmer together when they seemed to hit things off and videos leaked of the two getting very cosy together – too cosy considering he was married. Justin and his wife Jessica Biel decided to move past it together.

 46. Annette Bening and Warren Beatty

Warren Beatty: «La donna perfetta esiste. È mia moglie Annette Bening» - iO Donna(Image/ Source: Donna.ie)

This iconic relationship between Annette Bening and Warren Beatty actually began on set of Bugsy in 1991.  Bening was married to J. Steven White at the time. But Bening and Beatty began as an affair and quickly progressed into something more. They married in 1992.

47. Ginnifer Goodwin and Josh Dallas

Once Upon A Time - BTS photo of Ginnifer Goodwin and Josh Dallas(Image/ Source: SpoilerTV)

Goodwin was engaged to Joey Kern in 2011, pretty much straight after filming Once Upon A Time. This is because she was seeing her co-star Josh Dallas, they were playing Snow White and Price Charming, so it was definitely a more complicated version of a fairytale.

48. Miranda Lambert and Blake Shelton

Ten Cheating Scandals That Rocked Blake Shelton & Miranda Lambert's Marriage(Image/ Source: Her.ie)

Miranda Lamber and Blake Shelton met on set and could not control their undeniable attraction to one another. But he was married to Kaynette Gern at the time. It seems he makes a pattern of this because he did the exact same thing to Miranda Lambert in the end too.

49. Peter Bogdanovich and Cybill Shepherd

From 'Last Picture Show' to 'Mask' - AceSparks(Image/ Source: acesparks)

During filming for the movie The Last Picture Show where Cybill Shepherd was playing the seductress – she ended up doing just that. The director and actress fell in love but he was with his wife of 9 years Polly Platt at the time. They stayed together a further 6 years.

50. Jesse James and Sandra Bullock

PHOTOS: Kat Von D Kisses Jesse James Goodbye - For Now(Image/ Source: RadarOnline)

Jesse James and Sandra Bullock were married for a few years, but James’s infidelity led to a divorce. And, it wasn’t just one person. Sometimes it would be the girls he worked with on set of his movies. He’s publicly accepted responsibility for the breakdown of the marriage.