July 21, 2023, is a date that will likely live on forever in cinematic history. That day, of course, was the release date on the 2023 movie schedule for both Barbie and Oppenheimer. Both films were helmed by prestigious directors, starred A-list ensembles, were critically acclaimed and Barbenheimer crushed at the box office. However, before it became the phenomenon it is, Margot Robbie was asked to move the release date of the Mattel movie. Well, she refused, and she explained why while chatting with the historical drama’s star Cillian Murphy.
While speaking about how Christopher Nolan almost always releases his movies in and around July 21, Margot Robbie explained that she received a call from Oppenhimer’s producer Chuck Roven about the shared release date. He wanted her to move Barbie, and she refused. While speaking to Cillian Muphy on Variety’s Actors on Actors about why she wanted her film to come out on July 21, she said:
