Cameron Diaz leads a knockout cast in this irreverent buddy comedy about love, lust and the laws of karma. When Carly (Diaz) learns that her boyfriend (Nikolaj Coster-Waldau) has a wife (Leslie Mann), the two women become unlikely friends. When he turns out to be an even bigger cheat than they knew, they make plans with yet another of his mistresses (Kate Upton) to teach him a lesson – or three!
The oddest friends are about to get even. After discovering her boyfriend is married, Carly soon meets the wife he's been cheating on. And when yet another affair is discovered, all three women team up to plot mutual revenge on the three-timing SOB.. The Other Woman Wiki