Grammy Quick Changes: What's Her Best Look?

Glam on the red carpet, funky onstage – which style was hottest? Vote on Beyoncé and more! By Melissa Liebling-Goldberg

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ALICIA KEYS

The singer opens the show by singing with Frank Sinatra in a sexy turquoise Hervé Légér gown – a distinct change from her elegant Armani Privé navy gown on the red carpet. But the biggest switch-up of the night comes during her performance with John Mayer when she dons leggings, a shimmering sequined Alberta Ferretti tunic and a straight shag do.

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Credit: Moloshok/Reuters/Landov; Blake/Reuters/Landov(2)

Updated: Sunday Feb 10, 2008 | 11:00 PM EST