Would you like fashion with your fries? Ramping up its bid for a hipper, more youthful image, McDonald's plans to hire top designers to remake its uniforms. The Oak Brook-based hamburger giant recently hired a marketing whiz with ties to the hip-hop community and is contemplating deals with fashion figures ranging from Sean "P. Diddy" Combs to Tommy Hilfiger. "It would be pretty cool if our employees liked their uniforms so much that they would also want to wear them while they were not working," said McDonald's spokesman Bill Whitman. McDonald's successful "I'm lovin' it" ad campaign, launched in 2003,...