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 ...
Robert Pattinson has reportedly sold his $5.8 million home in Los Feliz.
Following news of Kristen's cheating scandal with director Rupert Sanders, Robert is said to be reconsidering relocation plans he made earlier in the year.
The actor originally desired to set up house with Kristen in the UK in late 2012, but her betrayal has prompted him to take action earlier than planned.
"There's too many memories there for him," a friend revealed to Star magazine.
Robert’s friend reveals that the actor is sad to give up his Los Angeles estate.
"He loves that house, but he keeps thinking of that day when she snuck away for her make out session with Rupert, leaving him in front of the telly thinking she was having a business meeting," the friend said.
Robert Pattinson-Kristen Stewart