Christina Aguilera's Best and Worst Looks on 'The Voice'
"The Voice" coach has people talking about the attention-grabbing ensembles she's been wearing on the show. — Suzy Byrne, Yahoo! TV
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File this under one of her most memorable! The "Beautiful" singer wore a serious expression along with her dangerously low black halter top, but the highlight of the outfit was the black round headpiece, which was adorned with crystals.