Coinciding perfectly with its Tuesday DVD release, “a major scandal” may leave Black Swan with a black mark on its publicity efforts, and¬†Natalie Portman‘s Oscar-winning performance as a prima ballerina in question.

Identified in the movie’s credits only as “Hand Model” and “Lady in the Lane” — and not thanked in Portman’s Best Actress acceptance speech — real-life ballerina Sarah Lane claims she was in fact Portman’s Black Swan dancing double.

“Basically, I did all of the dancing,” Lane told the Wall Street Journal‘s Speakeasy blog,¬†among others. “And then they digitally put [Portman's] face on my body.”

Lane, a soloist with San Francisco New York-based American Ballet Theatre, says exec producer Ari Handel asked her not to speak to the press, “to create this facade that [Portman] had become a ballerina in a year and a half.”

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