HOW SOON IS NOW?: "Am I here too late? Am I in trouble?" a smiling Sir Paul McCartney teased his designing daughter Stella as he arrived backstage at her fashion show Monday morning, where her children, and those of model Natalia Vodianova, zipped around giggling.

The musician said he was working on a film of his Citi Field concert over the summer in New York City. “I’m thinking about doing some concerts in Europe,” he added. Squeezed between McCartney and Charlotte Rampling, Gwyneth Paltrow threw some shoulders to the hip-hop soundtrack and pointed lustily at a long turquoise dress that made its way down the runway.