Mila Kunis at Black Swan New York Premiere

With her latest film "Black Swan" hits theaters today 3 December, Mila Kunis has been busy promoting duties.During a Friday appearance on "The Ellen DeGeneres Show" and "Extract" star Ellen filled in on what it was like filming sex scenes with Justin Timberlake for a second film called "friends with benefits", published in July next year.Mila admitted, I think the truth is that we need to have