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.

Ivan Reitman was a Canadian film director and producer. He was known for his comedy films, especially in the 1980s and 1990s. Reitman was the owner of The Montecito Picture Company, founded in 1998.