9.)30 Seconds To Mars- "Closer To The Edge" 8.)Bruno Mars- "The Lazy Song" 7.)Justin Bieber- "Never Say Never" 6.)Lady Gaga- "Born This Way" 5.)Katy Perry- "E.T." 4.)Ke$ha- "Blow" 3.)Rihanna- "S&M" 2.)Britney Spears- "Till The Wo… more »