Nicole Houston "Nikki" Reed (born May 17, 1988) is an American film actress and screenwriter. She became known in 2003, after the release of the film Thirteen, for which she co-wrote the screenplay. Reed has since appeared in several films, including Lords of Dogtown and Mini's First Time. She also portrayed Rosalie Hale in the film adaptation of the book Twilight by Stephenie Meyer.
Source : Wikipedia.com