|Sometimes the quest for the new leads to the past. Julia Roberts, for one, chose old over new when she opted for a vintage Valentino gown to wear to the Oscars, where she looked beautifully of-the-moment. In keeping with the theme of the evening, actress Renée Zellweger wore vintage Oleg Cassini to the opening of the Jacqueline Kennedy exhibit at the Met. (Cassini dressed Kennedy during her White House years.) And Nan Kempner was radiant at the New York City Ballet gala in old Yves Saint Laurent that recalled the designer's recent couture collection, proving that good design withstands the test of time.