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Lorde performs during the 2014 Billboard Music Awards
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Lorde performs during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas.(Credit: Getty Images / Ethan Miller)

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Billboard Music Awards 2014

See the hottest red carpet looks, big winners and show highlights as Ludacris hosts this year's Billboard Music Awards on Sunday, May 18.