Black Swan is a 2010 American psychological thriller film directed by Darren Aronofsky. The film stars Natalie Portman and Mila Kunis as ballet dancers in a New York City production of Swan Lake. The production requires a ballerina to play both the innocent White Swan and the sensual Black Swan. Nina (Portman) fits for the White Swan and Lily (Kunis) fits for the Black Swan. When the two compete for the parts, .....Nina .....finds a dark side of herself.