Brad Pitt was married in one of his suits, John Galliano dressed in one of his jackets to receive a prestigious award, Karl Lagerfeld never wears anything else, and women as dashing and fashionable as Madonna, Catherine Deneuve and Cecilia Dean go drag to wear his designs. Hedi Slimane, the young designer who left Yves Saint Laurent to reinvent Christian Dior's menswear image, embraces "the cosmopolitanism of the old-school couturier" as well as "the...