Fashion Week

Spring '10: Fashion's Night Out

From the Olsens bartending to Posh signing T-shirts, see all the stars who turned out to support shopping in N.Y.C.

CHARLIZE THERON

Vogue's current cover girl – and Dior muse – signs copies of the 584-page September issue at the design house's Manhattan Flagship in a gray silk strapless dress by – who else? – Dior.