Wait a minute... Natalie Portman is not one of the best ballerinas in the world? And a body double covered some complicated dance sequences in Black Swan? Wow, that's big news for a Monday morning.

A few days ago Portman's fiancé, choreographer Benjamin Millepied told the Los Angeles Times that "85 percent of that movie is Natalie.” But some disagree...

Sarah Lane, the American Ballet Theatre soloist who perfected many of the movie's complicated dance sequences, said “Of the full body shots, I would say 5 percent are Natalie. All the other shots are me. I’ve been doing this for 22 years... Can you become a concert pianist in a year and a half, even if you’re a movie star?”

A statement have been released by the filmmakers: “We were fortunate to have Sarah there to cover the more complicated dance sequences and we have nothing but praise for the hard work she did. However, Natalie herself did most of the dancing featured in the final film.”