Summary: Lady Gaga - "Born This Way/Express Yourself" Rihanna - "S & M" ADELE - "Rolling In The Deep" Katy Perry - "E.T." Britney Spears - "Till the World Ends" Jennifer Lopez (feat. Pitbull) "On The Floor" P!nk "Sober" P!nk "So What" P!nk "Please Don't Leave Me" P!nk's "Raise Your Glass" P!nk Tribute "F**kin' Perfect"
