Black Swan
This 2010 psychological horror stars Natalie Portman and Mila Kunis, who play ballerinas training for their company’s production of ‘Swan Lake.’ Nina (Portman) is cast as the innocent and fragile White Swan, while her new rival Lily (Kunis) is cast as the Black Swan. This causes Nina to be overwhelmed by the immense pressure of competing Lily, which eventually driver her to lose her grip on reality.