Nicole Kidman has reportedly quit her Dogville director Lars Von Trier's latest movie project Nymphomaniac.

The actress will not be teaming up with Shia LaBeouf, Willem Dafoe, Uma Thurman, Christian Slater, Charlotte Gainsbourg and Stellan Skarsgard in the film, as was previously reported, according to The Hollywood Reporter.

It is not known why Kidman, who is currently shooting Grace Kelly biopic Grace of Monaco, has bolted from the project, which hit the headlines even before filming begins over reports it will feature explicit sex scenes.

In the movie, Gainsbourg plays the titular nym...

Uma Thurman is the latest A-list star to join the cast of Lars Von Trier's upcoming erotic drama, Nymphomaniac.

The film, which will reportedly feature unsimulated sex scenes from some of its stars, will be split into two movies, the first of which is planned for a 2013 release and is currently filming in Cologne, Germany.

Actor Shia LaBeouf, who signed on to join the cast in August, made headlines after revealing that the film's script called for several of its stars to perform real sex acts.

"There's a disclaimer at the top of the script that basically says we're [having sex] for real....

Shia LaBeouf will perform real sex acts on screen for director Lars Von Trier's explicit new movie "Nymphomaniac," and the actor has come forward to defend his decision to do it.

The film centers on a young woman's sex life, and LaBeouf had in-depth discussions with the controversial filmmaker as he prepares to have real sex for the racy scenes.

"There are rules. I have ethics, I'm not completely out of my mind. But I don't think there's anything wrong with sex. Sex is beautiful if it's done right. And I wouldn't just do it for no reason... Sex is different than love, and there is a separ...