My Best Friend's Wedding is a 1997 American romantic comedy film directed by P. J. Hogan from a screenplay by Ronald Bass who also produced. The film stars Julia Roberts, Dermot Mulroney, Cameron Diaz, and Rupert Everett. Roberts plays a woman who discovers that her longtime friend is engaged to a much younger woman. She realizes she loves him herself and sets out to prevent the two from getting married, with only days before the wedding.