No Strings Attached (2011)

No Strings Attached is a 2011 American romantic comedy film directed by Ivan Reitman and starring Natalie Portman and Ashton Kutcher. Written by Elizabeth Meriwether, the film is about two friends who decide to make a pact to have "no strings attached" casual sex without falling in love with each other. The film was released in the United States and Canada on January 21, 2011.