Orlando Bloom was in the front row at Balenciaga to watch his model wife, Miranda Kerr, walk in the show – and maybe catch her eye. “I’ll just try not to trip her,” he joked. The actor is currently shooting “The Three Muskateers” in Berlin. Charlotte Gainsbourg just returned from Sweden where she wrapped another Lars von Trier film, in which she plays sister to Kirsten Dunst. Titled “Melancholia,” Gainsbourg allowed it’s not exactly an upper of a film, but is less wrenching that her last von Trier film, “Antichrist.” “It wasn’t as tough,” she assured. Salma Hayek, meanwhile, is in the cartoon world: She plays a foxy feline opposite Antonio Banderas in a “Shrek” spinoff about swashbuckling Puss in Boots. Her character is the feline love interest, “and a little bit the villain,” she purred.