Natalie Portman In Red Mini Dress & Gown For 2 Looks At Cannes Hollywood Life No Strings Attached DVD Natalie Portman Ashton Kutcher Romantic Comedy Palm Springs Shines on Natalie Portman and Colin Firth Pop Culture Fix: Ruth Negga and Natalie Portman Almost Make Out On The Cover Of "W" For Some Reason Autostraddle In Black Swan (2010), Natalie Portman underwent an extreme transformation to play the ballerina Nina. She trained intensively in ballet for over a year, practicing five to eight hours a day, even Greta Lee Was Hiding in Plain SightUntil 'Past Lives' Changed Everything Vanity Fair