"The ballerina who served as a dancing double for Natalie Portman’s Oscar-winnning role in Black Swan tells EW she has been the victim of a “cover-up” to mislead the public about how much dancing Portman actually did in the film. “Of the full body shots, I would say 5 percent are Natalie,” says Sarah Lane, 27, an American Ballet Theater soloist who performed many of the film’s complicated dance sequences, allowing Portman’s face to be digitally grafted onto her body. “All the other shots are me.”