'Fifty Shades of Grey' Adds Musician Rita Ora as Christian Grey's Sister

The erotic drama starring Dakota Johnson and Jamie Dornan is currently shooting in Vancouver. British musician-actress Rita Ora has been cast in the erotic drama Fifty Shades of Grey as Mia, the adopted younger sister of Christian Grey (Jamie Dornan). PHOTOS: 'Fifty Shades of Grey's' Jamie Dornan and 18 More Male Models Turned Actors Ora is best known for her music career, including her breakout hit single “Hot Right Now,” which was the first of three consecutive No. 1 singles. Her debut stu...