Style Standouts at the Billboard Music AwardsCheck out what Miley Cyrus, Carrie Underwood, Katy Perry and more rocked on one of music's biggest nights

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ALICIA KEYS

Going for a minimalist look, the crooner looks chic and elegant in a curve-hugging long-sleeve black Azzedine Alaïa Couture gown, Brian Atwood heels, Jennifer Fisher chains, Repossi earrings, a braided updo and red lips.