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)

Usher took his time to open up about his broken marriage but ended up telling that he cheated on his way with her bridesmaids.

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

David Boreanaz came clean about his infidelity in a joint interview with his wife in People. (18/28)