Cameron Diaz New York- Arabstoday Cameron Diaz attends the Vanity Fair and Ermenegildo Zegna dinner at Chateau Marmont in Los Angeles. The actress looked gorgeous in black cap-sleeve cocktail dress with lace details from Elie Saab Ready-to-Wear collection. Joining the 39-year-old actress at the event, which was hosted by Colin Firth and his wife, Livia: Mia Wasikowska, Emile Hirsch and Kristin Davis. Cameron is a big fan of Elie Saab designs and she usually chooses from his collection to the red carpets events.