Who approved this?!  Camila Cabello and Missy Elliott are teaming up for a cover of Beyonce's iconic "Single Ladies."  It'll be featured in the live adaptation of Cinderella. Camila is starring as Cinderella. The rest of the cast is as follows: Billy Porter as the Fab G, a genderless fairy godmother Idina Menzel as Vivian, Cinderella's stepmother Nicholas Galitzine as Prince Robert Pierce Brosnan as King Rowan Minnie Driver as Queen Beatrice M