50:  "Super Bass" by Nicki Minaj

49:  "Smack That ft. Akon" by Eminem

48:  "Womanizer" by Britney Spears

47:  "Yeah X3" by Chris Brown

46: "Hey Ya" by Outkast

45:  "Get The Party Started" by P!nk

44:  "Party Rock Anthem" by LMFAO

43:  "Back That Thang Up ft. Mannie Fresh, Lil Wayne" by Juvenile 

42:  "Tik Tok" by Ke$ha

41:  "Rock Your Body" by Justin Timberlake