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MIA MAESTRO
MICHAEL KORS
To balance the ruffles of her white taffeta frock, Maestro opted for simple Jimmy Choo heels and diamonds by Lorraine Schwartz.

GIAMBATTISTA VALLI
Union chose an eye-popping scarlet dress while getting ready with pal Sanaa Lathan.

ROSARIO DAWSON
MATTHEW WILLIAMSON
Dawson paired her silver sheath with H. Stern earrings and heels by Brian Atwood for a look that was "fun and party-ish," she says.

See more photos of the night's best and worst looks at PEOPLE.COM/REDCARPET