Grammy Awards 2012

50 Most Memorable Grammy Looks Ever

J. Lo's barely there gown, Michael's glimmering glove, Madonna's leotard, Gaga's ... well, we're not sure what to call it. Relive the craziest outfits of Grammys past

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CHRISTINA AGUILERA, 2004

For her umpteenth style transformation, Aguilera channeled a 1920s-era flapper, complete with retro black curls, a slinky silhouette and over-the-top jewels.