Christina Aguilera wore a nude Alberta Ferretti gown with metallic embellishments. Kevin Winter / Getty Images Kim Kardashian wore a figure-hugging Georges Hobeika dress to the gala. Kevin Winter / Getty Images Tom Hanks, and Rita Wilson, in sparkling Alberta Ferretti, posed for photographers before the event. Steve Granitz / WireImage Molly Sims sparkled in a gold mini dress. Kevin Winter / Getty Images Teri Hatcher glowed in a one-shouldered gown. Kevin Winter / Getty Images Nicole Richie’s Marchesa dress was, in itself, a piece of art, with bows and multiple folds of fabric. Kevin Winter / Getty Images James Franco, in a navy suit, posed with a Venetian mask. Jon Kopaloff, FilmMagic / Getty Images Jaclyn Smith looked fierce in a leopard print dress. Kevin Winter / Getty Images Olivia Wilde channeled some fantasy in a strapless Monique Lhuillier gown. Kevin Winter / Getty Images