Xavier Dolan-Tadros (; born 20 March 1989) is a Canadian filmmaker, actor, and costume designer. He began his career as a child actor in commercials before directing several arthouse feature films. He first received international acclaim in 2009 for his feature film directorial debut, "I Killed My Mother" (), which premiered at the 62nd Cannes Film Festival in the Directors' Fortnight section and won three awards from the program.