The mother of all cheating scandals. When Kristen Stewart was caught making out with Rupert Sanders, her Snow White and the Huntsman director, all media hell broke loose. And millions of tween girls thought they finally had a chance with Rob. The couple has since reportedly gotten back together.
What can we say? Actresses clearly have a thing for their directors. Recently, Katharine McPhee was caught kissing her Smash director, Michael Morris. Both are married. Awkward.
Many people had a hunch that something was "off" with Ashton and Demi's May-December marriage. And, as it turns out, they were right. After photos of Ashton hanging out with his alleged mistress, Sara Leal, surfaced, Moore, understandably, split.
He may not have had sexual relationships with Lewinsky, but there was definitely some freaky stuff reported that involved cigars. Bill, you dirty bird.
Not only did Arnold step out on his wife, he had a love child with Mildred 'Patty' Baena, his 50-year-old housekeeper!
Tiger Woods was a very foolish man to cheat on his stunning wife, Elin Nordegren -- with a bevy of random women.
After meeting on the set of a Lifetime movie they were both working on, Eddie and LeAnn both left their respective spouses and married each other. They're still going strong.
Now, it's never been confirmed, but it's widely speculated that Brad Pitt cheated on his then-wife, Jennifer Aniston, with Angelina Jolie while they were shooting Mr. & Mrs. Smith.
They seemed so happy together! Then all of a sudden James revealed himself to be a giant turd, cheating on Sandra with tattoo model Michelle 'Bombshell' McGee.
The original cheating scandal. In the 1995, Grant was arrested for soliciting Hollywood prostitute Divine Brown. Hurley divorced him shortly after.