London, Aug 20 - 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, reports contactmusic.com.

'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.

IANS