Did you "Dream On" with Mr. Shue? Feel the "Good Vibrations" with Puck? Pick your favorite performance of the season
Updated: Friday Sep 10, 2010 | 06:00 AM EDT
By: Justine Harman
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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.
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