Parties! The style, stars and scoop from Hollywood's hottest events

Iman and Rihanna were two of the style standouts at Glamour's 2009 Women of the Year awards, held at New York City's Carnegie Hall. While the iconic Mrs. David Bowie got flirty in a feathered mini-dress by Jason Wu, RiRi—who was among this year's honorees—piled on the pleating in a gown from Stephane Rolland Couture.