Taio Cruz's Pick From Hour 5:

60.  Gym Class Heroes “Stereo Hearts ft. Adam Levine” 

59. Eminem “Not Afraid” 

58. David Guetta  “Where Them Girls At ft. Flo Rida & Nicki Minaj” 

57. Usher “OMG ft. will.i.am ” 

56. Katy Perry “California Gurls” 

55. Britney Spears “Oops!... I Did It Again” 

54. Foster the People “Pumped Up Kicks” 

53. Pitbull “I Know You Want Me (Calle Ocho)” 

52.  Christina Aguilera  “Dirrty ft. Redman” 

51. Lady Gaga “Poker Face”