Miley Cyrus & Cobra Startship, Leighton Meester, Flo Rida, Ke$Ha, Corey Hart, Lady Gaga, Black Eyed Peas, Katy Perry, Britney Sp

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Miley Cyrus & Cobra Startship, Leighton Meester, Flo Rida, Ke$Ha, Corey Hart, Lady Gaga, Black Eyed Peas, Katy Perry, Britney Sp
The One Revolution Mashup