The first trailer for the film was introduced by Harvey Weinstein during the 2011 Cannes Film Festival . It was officially released on 6 October 2011 . '' My Week with Marilyn '' had its world premiere on 9 October 2011 at the 49th New York Film Festival . The film was shown at the Mill Valley Film Festival two days later and it was then added to the lineups of the Hamptons International Film Festival and the 26th Annual Fort Lauderdale International Film Festival
Hamptons International Film Festival
Hamptons International Film Festival
My Week with Marilyn