Mila Kunis defends Natalie Portman's "Black Swan" dancing

(CBS) Mila Kunis is speaking out in favor of her "Black Swan" costar Natalie Portman, amid accusations that the Oscar-winner's dance double did the majority of the dancing in the film.

Portman's double, American Ballet Theatre soloist Sarah Lane, claims that the actress only did five percent of the dancing shown on screen.

Pictures: Natalie Portman
Pictures: Mila Kunis
Pictures: "Black Swan"

"Natalie danced her a-- off," Kunis told Entertainment Weekly on Monday. "I think it's unfortunate that this is coming out and taking attention away from [the praise] Natalie deserved and got."

Kunis said that Portman has been honest about what dancing she did and did not do in the film.

"She'll tell you [that], no, she was not on pointe when she did a fouette [turn]. No one's going to deny that. But she did do every ounce of every one of her dances," she said. "[Lane] wasn't used for everything. It was more like a safety net. If Nat wasn't able to do something, you'd have a safety net. The same thing that I had - I had a double as a safety net. We all did. No one ever denied it."

Portman won the Academy Award for best actress last month for her role in "Black Swan." The film's choreographer, Benjamin Millepied (who is also Portman's fiance), insisted in a recent Los Angeles Times interview that she did 85 percent of the dancing shown in the film.