Natalie Portman's winning streak continues as her latest film claims number one spot at the U.S. box office

By DAILY MAIL REPORTER Friends with benefits: Natalie and Ashton try to restrain themselves in a scene from No Strings Attached It seems that everything Natalie Portman touches is turning to gold.Not only is she winning a slew of Best Actress awards for her role in Black Swan, her latest film No Strings Attached has claimed top spot at the U.S. Box Office. The movie, in which Natalie and Ashton...