No Strings Attached

2011

Directed by Ivan Reitman

Cast: Natalie Portman, Ashton Kutcher, Kevin Kline, Cary Elwes, Greta Gerwig

Emma is a busy doctor who sets up a seemingly perfect arrangement when she offers her best friend Adam a relationship with one rule: No strings attached. But when a fling becomes a thing, can sex friends stay best friends?