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Not all love stories start off like fairy-tales. Some couples go the hard route, even if it means hurting the people around them. And, because we often forget, celebrities are humans too, meaning they can cheat, lie, break hearts, and do outrageous things for love—just like the rest of us.

Click through the gallery to discover the celebs who didn't just cheat on their significant other, but who left them for their secret lover!

▲The director had a 12-year relationship with actress Mia Farrow, and cheated on her with her adopted daughter, Soon-Yi Previn. Allen left Farrow and married Previn in 1997.

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It is rumored that Gwen Stefani started dating the country singer before ending her marriage with Gavin Rossdale in 2016. Stefani and Shelton are still together.

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NBA star Dwayne Wade was allegedly still married to ex-wife Siohvaughn Funches when he started seeing Union. Funches later sued the actress for damages to her marriage. Their divorce was finally announced in 2010, and Wade went on to marry Union four years later.

▲It is said that Jennifer Lopez and Marc Anthony started their affair while he was still married to ex-Miss Universe Dayanara Torres. He ended up divorcing her to marry J-Lo in 2004. They were married for 10 years before breaking up.

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The backup dancer was not a free man when he hooked up with Britney Spears. He was still in a relationship with the mother of his two children, Shar Jackson, whom he ditched to eventually marry Spears in 2004. Their marriage wasn't a happy one and lasted only three years.

▲According to Kevin Hart's ex-wife, Torrei Hart, the comedian cheated on her with several women, including Eniko Parrish, whom he met in 2009 and married in 2016.

▲Bruce Springsteen married actress Julianne Philips in 1985 but soon regretted it and realized it was bandmate Patti Scialfa he loved. He reportedly cheated on his wife and finally divorced her in 1989. He married Scialfa in 1991.

▲Grammer began seeing Kayte Walsh, a flight attendant he met on a plane, while being famously married to Camille Grammer. The couple divorced in 2011, after 14 years of marriage, and he tied the knot with Walsh that same year, making it his fourth marriage.

▲The pair reportedly hooked up after performing together at the CMT Music Awards in 2005, while Shelton was still married to Kanyette Williams. He eventually divorced her in 2006 and wed Lambert in 2011. They divorced in 2015.

▲The actors first met on the set of 'Two Much' (1995) and were both married. They eventually separated from their significant others to marry each other in 1996, but later called it quits in 2015.

▲Spelling and McDermott met on the set of a TV movie in 2005. Although they were both married at the time, it is alleged that they began their affair the day they met. The lovebirds quickly separated from their respective spouses and said "I do" to each other in 2006. They announced their decision to separate in 2023.

▲Cameraman Danny Moder and Julia Roberts met on the set of 'The Mexican' (2001). She was in a relationship with Benjamin Bratt, while he was still married to his now ex-wife, Vera Steimberg. After both ending their respective relationships, they became man and wife in 2002 and are still going strong.

▲Depp was still involved with his partner of 14 years, French actress Vanessa Paradis, when he met Heard. The two met in 2009, on the set of 'The Rum Diary' and made it official in 2012, right after splitting from their respective partners. Their doomed romance would become the subject of one of the most high-profile celebrity lawsuits of all time.

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Before tying the knot with Romijn, O'Connell was publicly dating television personality, Giuliana Rancic, who later claimed that the actor cheated on her with Romijn.

▲Swizz Beats presumably began his affair with Keys while he was still married to Mashonda Tifrere, as he divorced her in 2011 and wed Keys that same year.

▲Trump was married to his first wife, Ivana, from 1977 to 1992. The union fell apart when he began an affair with the model Marla Maples, whom he wed the year after. The marriage lasted two years.

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They first met in 1970, but went on to marry other people. However, it is suspected they had a love affair ever since, and eventually left their spouses. King Charles divorced the late Lady Di in 1996, and married Camilla in 2005. The "other woman" is now the Queen.

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When the actor was married to then-wife Uma Thurman, he was messing around with the nanny. Too cliché? But it was more than an affair. Hawke and Thurman filed for divorce in 2004, and he married Shawhughes four years later.

▲The very handsome actor was still married to Brandi Glanville when he met LeAnn Rimes on the set of a movie in 2009 and fell in love. They ended up both leaving their respective spouses to marry each other in 2011.

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Seinfeld and Jessica Sklar met just two days after she returned from her honeymoon with Eric Nederlander in 1998. She asked for a divorce barely a month after they tied the knot, and made a second trip to the altar in 1999, this time to marry the comedic icon.

▲The former 'Smash' costars met on the set of the musical drama and soon began their romance. Chase was still married to his wife, but divorced her to pursue his relationship with Messing. Their relationship lasted three years.

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The American football quarterback allegedly left his pregnant ex-girlfriend Bridget Moynahan for the supermodel. He married Bündchen in 2009 and they stayed together until their separation in 2022.

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Actor Ryan Phillippe cheated on ex-wife Reese Witherspoon with 'Stop-Loss' co-star, Abbie Cornish. They started their affair in 2006 and Witherspoon filed for divorce the next year. The couple eventually split up three years later.

▲The actor left his seven months pregnant girlfriend, Mary-Louise Parker, for 'Stage Beauty' costar, Claire Danes. Their story didn't last, and came to an end four years later.

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In one of the best-known celebrity cheating affairs, Brad Pitt and Angelina Jolie met on the set of 'Mr. and Mrs. Smith' (2005) while he was still married to Jennifer Aniston. He divorced her almost immediately to go public with Jolie, whom he married in 2014. They filed for divorce two years later.

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The actor met fellow-actress Lauren Bacall while filming the movie 'To Have and Have Not' (1944). They hit it off immediately, although he was still married to Mayo Methot. He soon walked out on Methot, and said "I do" to Bacall only three months later.