When a bag makes its way onto the arms of Taylor ... a dear friend and muse of Yves Saint Laurent, the envelope-flap Loulou has swiftly climbed the ranks as one of Saint Laurent's best-selling ...

This lightweight and spacious bag features a chain strap and removable ... and model for several fashion powerhouses, including Yves Saint Laurent, Tiffany & Co., Rimowa, and Puma.