Darren Aronofsky responds to comments by Portman’s body double that only 5 percent of the dancing in the film was actually performed by Portman. By Terri Schwartz Darren Aronofsky and Natalie Portman on the set of “Black Swan” Photo: Niko Tavernise Since “Black Swan” hit theaters in December, the film required a certain suspension of disbelief as to whether leading lady Natalie Portman was actually performing the pirouettes, bourr
