Studio rebuts claims by Natalie Portman's ballet double
Fox Searchlight denies claims Portman performed only a small proportion of dance moves in Black SwanA Hollywood studio has denied claims by a ballet dancer that Natalie Portman performed only a small proportion of the dance moves for her Academy Award-winning performance in Darren Aronofsky's Black Swan.American Ballet Theatre soloist Sarah Lane, Portman's ballet double for the psychological thriller, said at the wee…