9.)Usher- "Without You" 8.)Avril Lavigne- "Wish You Were Here" 7.)Flo Rida- "Good Feeling" 6.)LMFAO- "Sexy and I Know It" 5.)Bruno Mars- "It Will Rain" 4.)Karmin- "Crash Your Party" 3.)Outasight- "Tonight Is The Night" 2.)Katy Perry-… more »