According to The Hollywood Reporter Mila Kunis will be co-starring with Natalie Portman in Darren Aronofsky's Black Swan.

The supernatural film follows a talented ballerina (Portman) who dances in the New York City Ballet. She finds herself "tormented" by another dancer (Kunis) who may or may not exist. There are many interesting occurrences between them leading up to a big performance.

Black Swan will start shooting this fall in New York. Aronofksy's Protozoa Pictures will be producing along with Mike Medavoy's Phoenix Pictures.

Currently, no distributor is on board but it is believed that Fox Searchlight could take this over as the production moves forward.

Black Swan was released December 3rd, 2010 and stars Natalie Portman, Mila Kunis, Vincent Cassel, Barbara Hershey, Winona Ryder, Benjamin Millepied, Ksenia Solo, Kristina Anapau. The film is directed by Darren Aronofsky.