Kristin Callahan/AcePixs

Sienna Miller showed off her gorgeous gams in an ivory cocktail dress by Marchesa at the designer's second-anniversary dinner at Bergdorf Goodman in New York. Her black peep-toe pumps and shoulder-grazing earrings added a modern twist to her elegant mini.
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CELEBRITY: Sienna Miller

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Sienna Miller

Sienna Miller in Marchesa