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Premios Juventud 2013 - Show

MIAMI, FL - JULY 18: Jennifer Lopez performs onstage during the Premios Juventud 2013 at Bank United Center on July 18, 2013 in Miami, Florida. (Photo by Rodrigo Varela/Getty Images for Univision)

Celeb Style Snafus (week of 7/15/13)

J.Lo, Rihanna, Miley, and Mariah miss the mark. -- By Matt Whitfield