Dunst, 28, appears naked as he lay on the rocks near a river, and then proves to be helped in the bathroom after collapsing on the floor without any clothes, the Daily Mail
The film, written and directed by controversial Danish director Lars Von Trier, follows the story of Justine, played by Dunst, she married Michael, played by Alexander Skarsgård.
During their marriage the party sees a red star in the sky, it ends up being on the planet, melancholy, which had previously been hidden behind the sun.
As the night goes, Justin begins to question what will happen to them if the end of the world and his present happiness.
This results in his relationship with his sister, Claire played by Charlotte Gainsbourg, tested.
The film also stars Keifer Sutherland in his first appearance on screen since 2008's "Mirrors", the husband of Claire playing and unusually hot.
"Melancholy" will be released in USA May 26, 2011
