Le clip officiel vient enfin de sortir, on y voit entre autre:
Jamie Foxx, Justin Bieber, Jennifer Hudson, Nicole Scherzinger (Pussycat Dolls), Mary J Blige, Janet Jackson, Miley Cyrus, Enrique Iglesias, Wyclef Jean, Adam Levine (Maroon 5), Pink, Usher, Céline Dion, Fergie (Black Eyed Peas), Toni Braxton, Lil Wayne et T Pain (autotunés !), Akon, Will I Am (Black Eyed Peas), LL Cool J, Busta Rhymes, Kanye West ... et Michael Jackson ...
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