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.
i don't know