The dance double in the Black Swan dance double controversy involved which principal dancer of the American Ballet Theatre?
Black Swan dance double controversy:  After the 83rd Academy Awards, in which Portman won the Oscar for Best Actress for her role in the film as a ballerina, controversy arose over how much credit for the dancing in the film was being given to her and how much to her "dance double", American Ballet Theatre soloist Sarah Lane. Sarah Lane: Sarah Lane (born August 3, 1983/1984) is an American ballet dancer and a principal dancer with American Ballet Theatre (ABT).
Sarah Lane