VIDEO : Cannes: Natalie Portman to Play Jackie Kennedy in Biopic

Natalie Portman has signed on to star as Jackie Kennedy in Jackie, a new biopic from Pablo Larrain, the Chilean director of Oscar-nominee No. The film will follow the first four days in Jackie Kennedy's life after the assassination of her husband, President John. F. Kennedy. Darren Aronofsky, who directed Portman to her Oscar-winning performance in Black Swan, will produce Jackie.