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  • MARY-KATE OLSEN  photo | Mary-Kate Olsen

Credit: Chance Yeh /PatrickMcMullan.com/Sipa

Updated: Friday Mar 20, 2009 | 12:00 PM EDT

MARY-KATE OLSEN

After glamming it up for the opera, the stylish twin is back to her hipster self in a military-style Burberry trench coat, jeans and platform Balenciaga booties at a party honoring Burberry creative director Christopher Bailey at Barneys in New York City.