9.)Adele- "Rolling In The Deep" 8.)Bruno Mars- "The Lazy Song" 7.)The Script- "For The First Time" 6.)Mike Posner- "Bow Chicka Wow Wow" 5.)Cee Lo- "Forget You" 4.)Katy Perry- "E.T." 3.)Britney Spears- "Till The World Ends" 2.)Ke$ha-… more »