Natalie Portman in "Black Swan"

Jake Gyllenhaal with Natalie Portman in "Brothers" (2009).
Mila Kunis – Photographer Matthew Rolston for Vanity Fair.– "[MORE SPOILERS AHEAD] About the racy scene, Reeves first dropped the bomb writing, "Because in this movie, Natalie Portman and Mila Kunis have sex." He then provided more details on the particular scene, noting that it won't be "just nice sweet innocent sex either" because their love-making part will be an "ecstasy-induced hungry aggressive angry sex."

"Black Swan" centers around the manipulative relationship between a veteran dancer and a rival. A ballerina in one of New York City's top ballet companies, Nina finds herself locked in to a competitive showdown with rival dancer Lilly. With the stakes and twists increasing as the dancers approach a big performance, Nina is not sure whether Lilly is a supernatural apparition or if she is having delusions". Source: www.aceshowbiz.com