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

http://www.youtube.com/watch?v=devIqXLge6Eendofvid[starttext]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