Closer (2004) – Natalie Portman
Guy no. 1 has an affair with Guy no. 2’s girl, while Guy no. 2 makes Guy no. 1’s girl do a strip show for him.
Cheating Fiancée
Mobster’s Wife (1997)
A mob boss’ wife and his mistress cheat on him with two of his henchmen.
Marriage Is a Crazy Thing (2002)
2002A lady who is already engaged to someone bangs another guy before she gets married, and continues banging him after she gets married. Good love story.