Black Swan is a psychological thriller film directed by Darren Aronofsky. Natalie Portman delivers a stunning performance as Nina Sayers, a talented ballet dancer who becomes obsessed with perfection and descends into madness. The film explores themes of ambition, identity, and the pursuit of artistic excellence. Portman's portrayal of Nina earned her critical acclaim and won her the Academy Award for Best Actress. Black Swan is a gripping and intense film that showcases Portman's incredible acting skills.