Kevin Winter/Getty Images
Alicia Keys and Zac Efron
Both Alicia Keys
(in Armani Prive) and Zac Efron
(in Dolce & Gabbana) were among the many stars who walked the carpet but kept mum about their roles in the show. "Unfortunately I can’t divulgeit’s top secret at this point," Efron told Ryan Seacrest before the show.
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