Vote! Glee's Best Showstopping Tunes

Did you "Dream On" with Mr. Shue? Feel the "Good Vibrations" with Puck? Pick your favorite performance of the season


With Sue Sylvester (Jane Lynch) pressuring her to lose weight to fit in with the slender Cheerios, Mercedes (Amber Riley) finally takes a stand and brings down the house with Christina Aguilera's empowering power ballad.