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Best: Jennifer Lopez
Jennifer Lopez transformed the American Music Awards into carnaval for her tribute to the late Queen of Salsa, Celia Cruz. J Lo opened the performance like a diva, wearing a glittering, black gown and singing alone on a platform. As she continued the melody of Cruz's songs, which included "Quimbara," "La vida es un carnaval" and "Bemba Colorá," J Lo revealed not one, but two new costumes. A huge ensemble of dancers joined her, assisting in acrobatic moves that artists half her age couldn't pull off. All the while, J Lo's Spanish-only vocals were heartfelt and powerful.