From Wikipedia: Mr. & Mrs. Smith is a 2005 American romantic action comedy film[1] directed by Doug Liman and written by Simon Kinberg. The film stars Brad Pitt and Angelina Jolie as a bored upper middle class married couple surprised to learn that they are assassins belonging to competing agencies, and that they have been assigned to kill each other. Besides being a box office hit, Mr. & Mrs. Smith also established Pitt and Jolie's personal relationship.[2][3]