Woody Allen’s relationship with ex-stepdaughter Soon Yi is one of the most famous celebrity cheating scandals ever. (16/28)

Woody admitted of having an affair with his stepdaughter. He said, “The heart wants what it wants. There’s no logic to those things. You meet someone and you fall in love and that’s that.”

Dean McDermott and Tori Spelling worked through his infidelity on Spelling’s TV show “True Tori.” (15/28)

Many people think Usher cheated on long-time girlfriend Rozenda “Chilli” Thomas, but he was actually unfaithful to now ex-wife Tameka Foster. (17/28)