British GQ is seeing red on its blazing cover featuring 'Mad Men' sex symbol Christina Hendricks. Armed with a pair of gardening shears, the flame-haired beauty smolders in a curve-hugging red dress on the cover of the magazine's September issue. Inside, Hendricks flaunts her voluptuous figure in a pinup-style navy robe and bustier and talks about the show's sexy wardrobe, which has helped turn her from cult heroine to Esquire's Sexiest Woman Alive. "I adore the incredibly tight clothing," Hendricks tells the magazine. "My own wardrobe's changed -- I've streamlined a little bit and definitely learned from Joan's sleekness and...