Gap, struggling to right is sagging fortunes, tapped three Hollywood directors for a summer campaign that goes back to its roots to promote denim, khakis and white shirts. "Denim Invasion" from Cameron Crowe features actors Kate Beckinsale and Orlando Bloom pursued by fans reminiscent of Beatlemania. The Coen brothers, Joel and Ethan, directed "Two White Shirts," in which actors Christina Ricci and Dennis Hopper play chess poolside. Roman Coppola directed "Down on Khaki Street," featuring four stylish bicycle riders (Zooey Deschanel, Scarlet Johansson, Ashton Kutcher and Jay Hernandez) on a city street. Creative director: Lisa Prisco.