Kevin Hart admitted to the world that he cheated on his pregnant wife, calling it his "dumbest moment."
Opened up about fathering a child with his housekeeper, behind his then-wife Maria Shriver's back.
Kristen Stewart was photographed kissing director Rupert Sanders while in relation with Robert Pattinson.
Jay-Z cheated in his marriage to Beyoncé — which you certainly already know if you've ever heard Lemonade.
Photos of Thompson appearing to cheat on his then-nine-months-pregnant girlfriend
Scott Disick and Kourtney Kardashian have had their ups and downs throughout their relationship, including Scott admitting to being a 'S' addict.