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 Theatre 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.” Lane’s claim follows a March 23 L.A. Times article in which Portman’s fiancé and Black Swan choreographer Benjamin Millepied said Lane’s work in the film was far less significant. “There are articles now talking about her dance double [American Ballet Theatre dancer Sarah Lane] that are making it sound like [Lane] did a lot of the work, but really, she just did the footwork, and the fouettés, and one diagonal [phrase] in the studio,” he said. “Honestly, 85 percent of that movie is Nata...