Ione Skye and John Cusack; Maureen McCormick and Barry Williams.Photo:Alamy; Darlene Hammond/Archive Photos/Getty

Ione Skye and John Cusack; Maureen McCormick and Barry Williams

Alamy; Darlene Hammond/Archive Photos/Getty

When it came to onscreen chemistry between these A-list stars, it turns out they weren’t really acting after all.That’s right. Whether itsIone Skye and John Cusack’s summer romance inSay Anythingthat, years later, would lead to a post-divorce hookup orLea MicheleandMatthew Morrisonwho dated for a short time before landing roles onGlee, these celebrities had some quick romances with their costars when the cameras weren’t rolling.Below, see which actors admitted to hooking up with their former costars.

When it came to onscreen chemistry between these A-list stars, it turns out they weren’t really acting after all.

That’s right. Whether itsIone Skye and John Cusack’s summer romance inSay Anythingthat, years later, would lead to a post-divorce hookup orLea MicheleandMatthew Morrisonwho dated for a short time before landing roles onGlee, these celebrities had some quick romances with their costars when the cameras weren’t rolling.

Below, see which actors admitted to hooking up with their former costars.

01of 08Ione Skye and John CusackIone Skye and John Cusack in ‘Say Anything’.AlamyIn her newly released memoirSay Everything, Ione Skye revealed that she and herSay AnythingcostarJohn Cusackslept together after filming the iconic ’80s movie.Though she had long said their chemistry stopped at mutual crushes,the actress recently wrote in her bookthat they hooked up after her divorce from her first husband, Adam Horovitz.“I had to get it out of my system,” she revealed.

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Ione Skye and John Cusack

Ione Skye and John Cusack in ‘Say Anything’.Alamy

Ione Skye and John Cusack SAY ANYTHING…, 1989

Alamy

In her newly released memoirSay Everything, Ione Skye revealed that she and herSay AnythingcostarJohn Cusackslept together after filming the iconic ’80s movie.

Though she had long said their chemistry stopped at mutual crushes,the actress recently wrote in her bookthat they hooked up after her divorce from her first husband, Adam Horovitz.

“I had to get it out of my system,” she revealed.

02of 08John Stamos and Demi MooreJohn Stamos and Demi Moore on ‘General Hospital’ in 1982.Erik Hein/Disney General Entertainment Content via GettyInJohn Stamos' 2023 memoirIf You Would Have Told Me,theFull Housealum recalled a conversation he and his formerGeneral HospitalcostarDemi Mooreand writer Ali Adler had about their dynamic at the time.Per E! News, Adler asked the duo “‘Oh my god,Blackie andJackie! Did you two ever f—?'” referencing their characters on the soap opera in the ’80s.“We both look at each other, wondering what the other will say,” Stamos wrote, per the outlet. “Demi pauses to think about it. ‘I don’t know if we slept together. I think we fooled around though.'”

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John Stamos and Demi Moore

John Stamos and Demi Moore on ‘General Hospital’ in 1982.Erik Hein/Disney General Entertainment Content via Getty

JOHN STAMOS, DEMI MOORE, GENERAL HOSPITAL - (6/18/82)

Erik Hein/Disney General Entertainment Content via Getty

InJohn Stamos’ 2023 memoirIf You Would Have Told Me,theFull Housealum recalled a conversation he and his formerGeneral HospitalcostarDemi Mooreand writer Ali Adler had about their dynamic at the time.

Per E! News, Adler asked the duo “‘Oh my god,Blackie andJackie! Did you two ever f—?'” referencing their characters on the soap opera in the ’80s.

“We both look at each other, wondering what the other will say,” Stamos wrote, per the outlet. “Demi pauses to think about it. ‘I don’t know if we slept together. I think we fooled around though.'”

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Matthew Perry and Julia Roberts

Matthew Perry and Julia Roberts.Warner Bros. Television

FRIENDS, The One After the Super-Bowl, Julia Roberts and Matthew Perry

Warner Bros. Television

As is the case with many of the after-the-fact romance confessions,Matthew Perryopened up about his relationship withJulia Robertsin his 2022 memoirFriends, Lovers and the Big Terrible Thing.

“Two months later, I was single,” Perry wrote. “DatingJulia Robertshad been too much for me. I had been constantly certain that she was going to break up with me. Why would she not? I was not enough; I could never be enough; I was broken, bent, unloveable.”

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Carrie Fisher and Harrison Ford

Actors Mark Hamill, Carrie Fisher, and Harrison Ford on the set of the space opera movie ‘Star Wars’ (1977)

Forty years after filming the originalStar Warsmovie,Carrie Fisher— who famously played Princess Leia — revealed that she and costarHarrison Fordhada three-month affair during production.

She wrote about the relationship in her 2016 bookThe Princess Diarist,telling PEOPLE, “It was Han and Leia during the week, and Carrie and Harrison during the weekend."

05of 08Lea Michele and Matthew MorrisonMatthew Morrison and Lea Michele.FOX Image Collection via GettyThough their romance did not happen during their time onGlee,Lea Micheleshared in her book that she and costarMatthew Morrisonhad dated for a short time before appearing on the Fox series.“When we shot the pilot, I met Cory Monteith, Kevin McHale, Amber Riley and Chris Colfer for the first time,” she wrote in her bookBrunette Ambition,perE! News." I had worked on Broadway with Jenna Ushkowitz and Matthew Morrison before. Matt had been a friend of mine for years, and in fact we’d actually dated back in the day for a Broadway beat."

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Lea Michele and Matthew Morrison

Matthew Morrison and Lea Michele.FOX Image Collection via Getty

Will (Matthew Morrison, L) and Rachel (Lea Michele, R) are concerned when they watch a rival glee club perform in the “Hairography” episode airing Wednesday, Nov. 25 (9:00-10:00 PM ET/PT) on FOX.

FOX Image Collection via Getty

Though their romance did not happen during their time onGlee,Lea Micheleshared in her book that she and costarMatthew Morrisonhad dated for a short time before appearing on the Fox series.

“When we shot the pilot, I met Cory Monteith, Kevin McHale, Amber Riley and Chris Colfer for the first time,” she wrote in her bookBrunette Ambition,perE! News." I had worked on Broadway with Jenna Ushkowitz and Matthew Morrison before. Matt had been a friend of mine for years, and in fact we’d actually dated back in the day for a Broadway beat."

06of 08Maureen McCormick and Barry WilliamsMaureen McCormick and Barry Williams.Darlene Hammond/Archive Photos/GettyDecades after starring as step-siblings Marcia and Greg Brady onThe Brady Bunch, Williams revealed toOprah Winfreyin 2013, that he and Maureen McCormick had dated at one point and that he was her first kiss.“That was in Hawaii while we were filming those episodes. We snuck away, it was a full moon, and walked along the sand. Well, I knew where that was headed. Of course, I set it up,” he shared.“We couldn’t hold back any longer,” McCormick wrote of the incident in her book,Here’s the Story: Surviving Marcia Brady and Finding My True Voice,perCBS News. “It was our first kiss, and it was long, passionate and deep. It was wonderful, too, though as we continued to kiss and press against each other so closely that we could feel each other’s body heat, a part of me — a tiny part, admittedly — said to myself, `Oh my God! I’m kissing my brother. What am I doing?"’

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Maureen McCormick and Barry Williams

Maureen McCormick and Barry Williams.Darlene Hammond/Archive Photos/Getty

American actors Maureen McCormick and Barry Williams, stars of the US TV sitcom ‘The Brady Bunch’, circa 1972.

Decades after starring as step-siblings Marcia and Greg Brady onThe Brady Bunch, Williams revealed toOprah Winfreyin 2013, that he and Maureen McCormick had dated at one point and that he was her first kiss.

“That was in Hawaii while we were filming those episodes. We snuck away, it was a full moon, and walked along the sand. Well, I knew where that was headed. Of course, I set it up,” he shared.

“We couldn’t hold back any longer,” McCormick wrote of the incident in her book,Here’s the Story: Surviving Marcia Brady and Finding My True Voice,perCBS News. “It was our first kiss, and it was long, passionate and deep. It was wonderful, too, though as we continued to kiss and press against each other so closely that we could feel each other’s body heat, a part of me — a tiny part, admittedly — said to myself, `Oh my God! I’m kissing my brother. What am I doing?"’

07of 08Mischa Barton and Ben McKenzieBen McKenzie and Mischa Barton in 2003.Amanda Edwards/Getty ImagesWhile appearing on an episode ofCall Her Daddyin 2024,Mischa Bartonopened up about her off-camera relationship with onscreen boyfriendBen McKenziewhich took place as they filmedThe O.C.in the early 2000s.“It was kind of complicated for me,“she explained.“It was a lot of my firsts, let’s put it like that,” she added. “And that kind of really separated me, a little, from them, in the sense that I wasn’t out there living on my own in L.A. yet,” she said of her life compared to her older costars (she was 17 when she show premiered in 2003 while McKenzie was 25.)She shared that her relationship with McKenzie was her “first”: “I had no idea what I was doing.”Barton said the situation got “tricky” after the two went their separate ways and still had to film together.“That’s in the very beginning of the show before we’re even halfway through a season, so there was a lot going on there. That show … so much happened in three seasons,” she said of her time on the series.

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Mischa Barton and Ben McKenzie

Ben McKenzie and Mischa Barton in 2003.Amanda Edwards/Getty Images

Mischa Barton Confirms Off-Screen Relationship with Ben McKenzie ‘Right Out of The Gate’ On The OC: ‘A Whole Ordeal’

Amanda Edwards/Getty Images

While appearing on an episode ofCall Her Daddyin 2024,Mischa Bartonopened up about her off-camera relationship with onscreen boyfriendBen McKenziewhich took place as they filmedThe O.C.in the early 2000s.

“It was kind of complicated for me,“she explained.

“It was a lot of my firsts, let’s put it like that,” she added. “And that kind of really separated me, a little, from them, in the sense that I wasn’t out there living on my own in L.A. yet,” she said of her life compared to her older costars (she was 17 when she show premiered in 2003 while McKenzie was 25.)

She shared that her relationship with McKenzie was her “first”: “I had no idea what I was doing.”

Barton said the situation got “tricky” after the two went their separate ways and still had to film together.

“That’s in the very beginning of the show before we’re even halfway through a season, so there was a lot going on there. That show … so much happened in three seasons,” she said of her time on the series.

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Michael Cera and Aubrey Plaza

John Shearer/WireImage

Michael Cera Aubrey Plaza

Six years after starring together in 2010’sScott Pilgrim vs. the World,Aubrey Plazashared that she andMichael Ceradated for about “a year and a half.” Years later, Cera went on to share that the two almost got married during a drive through of Las Vegas.

“We almost just spontaneously took a detour and got married,” he toldRolling Stonein 2023. “I think the idea was to then get a divorce right away, so we could call each other ‘my ex-husband’ and ‘my ex-wife’ at like 20.”

source: people.com