Rihanna was in a noir mood, picking black for both of the outfits she wore at tonight's American Music Awards. First, the pop star took to the stage in a long, sheer skirt and a bralet top that was the most cropped of all tops we've seen recently. To accept a second award - the show's first-ever icon award - from her mom, she was more covered up in a floor-sweeper with a ruffle straight down the front (accessorized with an even sparklier choker). Which look is your favorite?
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