The 50 Shades of Grey movie is moving forward, despite the Christian Grey casting drama. British singer Rita Ora has signed on to play Grey’s adopted sister, she announced on Monday. 50 Shades began filming with Dakota Johnson as Anastasia Steele and Jamie Dornan as Christian Grey. Mark your calendars: The film is slated for a 2015 release. Despite the hysteria over the film, it had early drama when Charlie Hunnam quickly dropped out of the project, and was replaced by Dornan.