Black Swan Black Swan

Ever wonder what happens when ballerinas go bad? You can now get a glimpse in the creepy new trailer for Black Swan. In the Darren Aronofsky-helmed psychological thriller, Natalie Portman stars as Nina, a professional ballerina who can't handle the threat of competition from a new dancer, Lily (Mila Kunis). Be sure to pay close attention throughout the chilling trailer or you'll miss the ever-so-brief snippet of Portman and Kunis swapping spit.

Black Swan is scheduled to hit theaters Dec. 1.

Watch the trailer and weigh in: