
Rihanna Cheesr (Drink To That ) - iTunes, 17 - Billboard Hot 100
Rihanna - California Kind Bed - iTunes - 96
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Katy Perry - Last friday Night T.G.I.F - iTunes 17 , Billboard HOT 100 - 1
Katy Perry - Firework - iTunes 59
Katy Perry - E.T. ft. Kanye West - iTunes 73
Katy Perry - E.T ft. Kanye West - Billboard HOT 100 37
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Jessie J - Price Tag - iTunes 52
Jessie J -Domino - iTunes 56





