Natalie Portman and Mila Kunis reflect on how Darren Aronofsky tried and failed to push a rivalry between the two stars on the set of 'Black Swan'

Hollywood actress Mila Kunis delivered one hell of a performance in the Darren Aronofsky directorial “Black Swan.” However, legendary things are

Speaking with Vogue in a new interview to mark the 2010 film's 15th anniversary, the actress — who was joined by costar Natalie Portman and director Darren Aronofsky — shared how she transformed herself to portray a professional ballerina on-screen.