In this romantic comedy film directed by Nick Cassavetes, Upton plays Amber – a young woman in a relationship with a married man named Mark – played by Nikolaj Coster-Waldau. Amber joins forces with the man’s wife, played by Cameron Diez, and another mistress, played by Leslie Mann, to get even with Mark after the three discover he is seeing them all simultaneously. On working with Diez and Mann:
This is my first movie role, and these two supported me every step of the way. They made me feel so safe from Day 1. They encouraged me to mess up and try new things and they were just amazing examples.