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Justin Bieber Sighting In London - February 25, 2013

LONDON, ENGLAND - FEBRUARY 25: Justin Bieber seen shopping at ACNE on Dover St on February 25, 2013 in London, England. (Photo by Neil Mockford/FilmMagic)

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.