Mary-Kate Olsen - Met Ball 2012

Mary-Kate Olsen hits the red carpet at the 2012 Met Ball held at the Metropolitan Museum of Art on Monday (May 7) in New York City.

The 25-year-old fashion designer wore a gown by her label, The Row. She finished off her look with Christian Louboutin shoes and Fred Leighton jewels.

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Last year, Mary-Kate attended the gala with her sister Ashley. No twin this time around!

This year’s Costume Institute Gala Benefit – celebrating the opening of the Schiaparelli and Prada: Impossible Conversations exhibition – is co-chaired by Carey Mulligan, Vogue editor Anna Wintour, and designer Miuccia Prada.