Rita Ora as Mia Grey
By ANTOINETTE BUENO
December 10, 2013
Singer and actress Rita Ora revealed via Twitter that she'll be playing Christian Grey's sister, Mia. "It's official! I've been cast in @FiftyShades of Grey as Christian's sister Mia. #FiftyShades," she posted.
In the novel Fifty Shades of Grey, Mia is depicted as an outgoing person who has a crush on Ethan Kavanagh, her brother Elliot's brother-in-law.