Stars and Their Pets: Jon Hamm's Slouchy SwaggerHamm spends one-on-one time with Cora in Los Feliz, Calif. Plus: Anne Hathaway and Esmeralda head out in New York and more

STEVEN SPIELBERG

The director joins his War Horse cast, horse Joey and actor Jeremy Irvine, on the red carpet Sunday for the film's London premiere, which was also attended by Prince William and Kate Middleton.