Seriously sexy at Yves Saint Laurent

Razor-sharp tailoring versus playful big bows, sturdy fabrics versus ultra-fine silks: designer Stefano Pilati walked a line between stern and sexy with his summer look for Yves Saint Laurent on Monday.

Top model Claudia Schiffer and Rolling Stones guitarist Ron Wood were among the celebrities in the event that took place under the ornate ceilings of a private Paris mansion as the venerable house unveiled its ready-to-wear look for summer 2011.