While her "Black Swan" body double claims that she secretly danced all of Natalie Portman's ballet scenes -- charges both "Black Swan" director Darren Aronofksy, choreographer Benjamin Millepied and co-star Mila Kunis vehemently deny -- there can be confusion about whose fancy footwork is on display in this video.Footage from her turn in an early 90's summer camp production shows a pre-teen Portman leading a tap dancing and then ballet troupe in a series of quick, endearing routines.