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2011 American Music Awards - Arrivals

LOS ANGELES, CA - NOVEMBER 20: Singer Justin Bieber arrives for the 2011 American Music Awards held at Nokia Theater at L.A. Live on November 20, 2011 in Los Angeles, California. (Photo by Albert L. Ortega/Getty Images)

21 of Justin Bieber's Most Ridiculous Looks

Justin Bieber is only 19, but he's already worn more crazy ensembles than people twice his age! Check out some of the most bizarre.