The Grammy Awards red carpet was fun, but the stage ensembles were equally exciting. While many celebs stayed in their red carpet garb all night, most performers changed into something more snazzy. This year's performers and presenters included Lady Gaga, Jennifer Lopez, Elton John, Green Day, The Black Eyed Peas, and Katy Perry. Check out Beyonce striking the fiercest pose on stage. Damn! Click through to see who else stepped onto the 2010 Grammy Awards stage and what they wore.