The Conan O’Brien Show: Ke$ha's Blow Performance

Music Preview: Ke$ha's Tease Me

2011 Billboard Music Awards Live Performances

Rihanna & Britney Spears' S&M Remix Live Performance

Beyonce' Who Run the World (Girls) Live Performance

Black Eyed Peas' Just Can't Get Enough/I Gotta Feeling Live Performance

Nicki Minaj's Super Bass & Britney Spears' Till The World Ends Remix (Ft. Nicki Minaj) Live Performance

Ke$ha's Animal/Blow Live Performance

Cee-Lo's Crazy/Fuck You Live Performance

Music Preview: Britney Spears' Till The World Ends Remix (Ft. Ke$ha & Nicki Minaj)