Wedding Crashers is a 2005 American romantic comedy film directed by David Dobkin, written by Steve Faber and Bob Fisher, starring Owen Wilson, Vince Vaughn and Christopher Walken with Rachel McAdams, Isla Fisher, Bradley Cooper and Jane Seymour in supporting roles. The film follows two divorce mediators (Wilson and Vaughn) who crash weddings in an attempt to meet and seduce women.

The film opened on July 15, 2005, through New Line Cinema to critical and commercial success, grossing $288.5 million worldwide on a $40 million budget. It was the 6th highest grossing film of 2005 in the United States and became the first R-rated comedy to make $200 million at the domestic box office. The success of the film has been credited with helping to revive the popularity of adult-oriented, R-rated comedies.