"Monster" had its world premiere at the AFI Fest on November 16, 2003. On February 8, 2004, it premiered at the 54th Berlin International Film Festival, where it competed for the Golden Bear, while Theron won the Silver Bear for Best Actress. The film was theatrically released in the United States on December 24, 2003, by Newmarket Films. "Monster" received positive reviews from critics and achieved box office success, grossing $64.2 million on an $8 million budget.