10. Katy Perry
Hot 'n Cold
Waking Up in Vegas
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California Gurls (With Snoop Dogg) - 19
Firework - 14
Hummingbird Heartbeat - 1
The One that Got Away - 1
I Kissed a Girl (Unplugged) - 1
I Kissed a Girl - 4
Teenage Dream - 6
Last Friday Night (T.G.I.F.) - 3

12. The Strokes
12:51
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Last Nite - 15
Machu Picchu - 13
Juicebox - 8
Vision of Division - 6
You Only Live Once - 5