Mr. & Mrs. Smith (2005)

Mr. & Mrs. Smith is a 2005 American romantic action comedy 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. It was based in part on the 1996 TV show of the same name starring Maria Bello and Scott Bakula.

Besides being a box office hit, it also established Pitt and Jolie's relationship.