Kristen Stewart cheated on beau Robert Pattinson with Snow White and the Huntsman director Rupert Sanders - who is married and has two children.
Angelina Jolie's affair with Brad Pitt started on the sets of Mr and Mrs Smith while he was still married to Jennifer Aniston.
Alicia Keys was the other woman in producer Swizz Beatz marriage to a woman named Mashonda.
Denise Richards hooked up with her best friend Heather Locklear's husband and Bon Jovi guitarist Richie Sambora.
Sienna Miller was spotted in a topless make-out session with married actor Balthazar Getty.
Claire Danes met actor Billy Crudup on the sets of Stage Beauty and the two ended up leaving their respective partners.
Shilpa Shetty's husband Raj Kundra has been married before. His ex-wife Kavita claimed that Shilpa broke up their marriage.
Mahesh Bhupathi's ex-wife Shvetha Jaishankar claimed that he cheated on her with Lara Dutta when they were married.
Mona Kapoor had said in an interview that she was shocked when she came to know that her husband Boney Kapoor was in love with ...
The hopes of the former lovebirds Kirsten Stewart and Robert Pattinson reconciling has been shattered after a U-Haul removal van was seen leaving the 5 million-pound pad they shared in Los Angeles, the Mirror reported.
Later on in the day a larger truck appeared, spending hours at the plush mansion, which perhaps indicates the move is not temporary as the lorry had space to store large furniture items.
People magazine reported that one day after he abandoned their shared Loz Feliz house, the 22-year-old actress followed suit and is no longer there either.
The actress, 22, claims she had only “a momentary indiscretion” with movie director Rupert Sanders.
But things might be getting a lot tougher for Kristen and Rob after the family of Rupert Sanders believe the affair went on much longer.