usekeepers. Among the shoppers are Steven and Heather Mnuchin, Viacom’s Deborah and Philippe Dauman, Tamara Mellon, Christine Taylor and Ben Stiller, Cate Blanchet, Susan and Robert Downey Jr. and Debra and Hugh Jackman. Next stop is The Weinstein Company’s party at the Soho House sponsored by MontBlanc. Long g