MTV.com had an interview backstage with Robert Pattinson after winning the Best Fight trophy. . See the video. His throwdown with Cam Gigandet thrilled Twilighters everywhere, and now it’s official: it was the best fight of the year. We caught up with one half of the dual — heartthrob Robert Pattinson — to get his comments directly after he took the stage for his win. Hear him out. (Gosh, and…