No Strings Attached is a 2011 American romantic comedy film directed and co-produced by Ivan Reitman. Starring Natalie Portman and Ashton Kutcher, the film is about two friends who decide to make a pact to have a "no strings attached" relationship, without falling in love with each other. The film was released in the United States on January 21, 2011 to mixed reviews, with praise for the lead pair's performances and chemistry, but criticism for its direction and screenplay.