25. Song: ''Bust Your Windows''
Episode 3: ''Acafellas,'' Sept. 16, 2009
Mercedes is not shy about letting everyone know she sees herself as a Beyoncé, not a Kelly Rowland-style backup singer, but it wasn't until the third episode that she proved why. When she felt slighted and confused by her relationship with Kurt, she made sure he knew just what kind of girl she really was, bringing even more fierceness to Jazmine Sullivan's female empowerment song.