When Margherita Missoni’s line went on sale last week at Target, it crashed their Web site. But there was one place that had plenty to go around: Jeffrey Katzenberg’s Night Before Emmy Party at The Lawn in LA’s Century City. Stars such as Claire Danes, Jon Hamm and Sofia Vergara were offered armfuls of Missoni goods. It’s good to be a celebrity — the rest of us will have to wait until the next shipment.