Directed by Darren Aronofsky, Black Swan (2010) stars Natalie Portman as a dedicated ballet dancer competing for the lead role in a New York production of Swan Lake. As the pressure of the role intensifies, she begins to experience disturbing psychological and physical transformations. Natalie Portman won the Academy Award for Best Actress for her performance.

Från IMDB:
Nina is a talented but unstable ballerina on the verge of stardom. Pushed to the breaking point by her artistic director and a seductive rival, Nina's grip on reality slips, plunging her into a waking nightmare.