Mila Kunis set to join "Black Swan" opposite Natalie Portman

Mila Kunis will wear a ballet shoes to compete with Natalie Portman in the upcoming drama-thriller "Black Swan."

The pic centers on a talented ballerina (Portman) in the New York City Ballet who is tormented by a rival who might or might not be a figment of the dancer's imagination.

Kunis will play the rival, Lilly, with strange occurrences between the two increasing as they prepare for a big performance. - THR

Helm by Darren Aronofsky and it is set to begin shooting in the fall in New York.