Question: What American ballet dancer and principal dancer with the American Ballet Theatre, also starred as a "dance double" for Natalie Portman in the 2010 movie Black Swan?
Sentence (from "Black Swan dance double controversy"): "Black Swan" is a 2010 American psychological thriller film about a ballet dancer directed by Darren Aronofsky and starring Natalie Portman, Vincent Cassel, and Mila Kunis.
Relevant evidence: Yes