Aronofsky 's next film was '' Black Swan '' , which had been in development since 2001 , a psychological thriller horror film about a New York City ballerina . The film starred actress Natalie Portman , whom Aronofsky had known since 2000 . She introduced Aronofsky to Mila Kunis , who joined the cast in 2009 . '' Black Swan '' had its world premiere as the opening film at the 67th Venice Film Festival in September 2010 . It received a standing ovation whose length '' Variety '' said made it " one of the strongest Venice openers in recent memory "
67th Venice Film Festival
67th Venice International Film Festival
Darren Aronofsky