Spring's Gorgeous Gowns

See the night's most darling dresses on the Olsens, Nicole Kidman and 10 other starlets at the Metropolitan Museum of Art's Costume Institute Gala. By Emily Fromm and Rebecca Paley

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MARY-KATE AND ASHLEY OLSEN

Vintage was the style of choice for the sisters, who held hands throughout Monday night's Costume Institute Gala at New York's Metropolitan Museum of Art. Ashley (right) picked an Oscar de la Renta design while Mary-Kate donned a lacy frock from the upscale N.Y.C. shop What Comes Around Goes Around.