"Monte Carlo" received mixed reviews from critics. Some praised the film's fun and light-hearted tone, while others criticized it for its lack of depth and originality. The film was also a commercial disappointment, grossing only $39 million against a production budget of $20 million.
Despite its mixed critical reception, "Monte Carlo" has its fans and is often seen as a fun and escapist movie. The film's beautiful scenery, fashionable costumes, and charming cast make it an enjoyable watch for those looking for a lighthearted romantic comedy.