Black Swan is a 2010 psychological horror film directed by Darren Aronofsky. Winona Ryder has a supporting role as Beth MacIntyre, a veteran ballerina in a prestigious ballet company. The film follows Nina, played by Natalie Portman, as she competes for the lead role in Swan Lake and descends into madness. Black Swan explores themes of obsession, perfectionism, and the dark side of the competitive world of ballet. Winona Ryder's performance adds depth to the film and showcases her versatility as an actress.