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  • MARY-KATE OLSEN photo | Mary-Kate Olsen

Credit: Dimitrios Kambouris/WireImage

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

MARY-KATE OLSEN

The star makes a dramatic appearance at the Metropolitan Opera's 125th Anniversary Gala in a plunging black Yves Saint Laurent dress, red lips and a cascade of blonde curls.