Natalie Portman Kissed Mila Kumis in " Black Swan" Movie

Hollywood actress Natalie Portman has a steamy kissing scene with co-actress Mila Kunis in new film " Black Swan"

The Oscar nominated actress, plays the part of a New York ballerina, who forms a rivalry with fellow ballerina Lily, essayed by Kunis. However, the pair form an unlikely friendship and during one scene, share a passionate kiss.

"Black Swan" is a psychological thriller, set for Dec 1 release. Before that, it is set to debut at the 2010 Venice Film Festival, to be held Sep 1-11.

The synopsis of  " Black Swan" Movie,

A New York City ballet company is producing Swan Lake, and directtor Thomas Leroy (Cassel) decides to replace prima ballerina Beth Maclntyre (Ryder) with ballerina Nina (Portman). Nina lives with Erica (Hershey), her overbearing mother and a formar ballerina. Nina finds competition in new dancer Lily (Kunis). Swan Lake requires a ballerina who can play the innocent White Swan, which fits Nina, and the sensual Black Swan, which fits Lily. The dancers' rivalry changes into a bizarre friendship, and Nina begins exploring a dark side of herself.