Knocked Up is a 2007 American romantic comedy film written, produced and directed by Judd Apatow. The movie centers on the consequences of a drunken one-night stand between a slacker and a recently promoted media personality that results in an unintended pregnancy. The film stars Seth Rogen, Katherine Heigl, Paul Rudd, and Leslie Mann, among others. It was shot in California locations including Los Angeles and Santa Monica, beginning in May 2006. The production had a budget of $25 million.