The luxury chain has been battling the luxury malaise.
The city has not lost its sizzle, once again led by Prada and Gucci.
Published by LeCool of Barcelona, the book outlines clever city concepts for better living, working, eating, drinking and shopping in cities around the world.
The ad campaign for the capsule line, starring model Coco Rocha, has a gentle, retro feel.
The friends and New York social fixtures are teaming up to sell a large portion of their designer wardrobes from the Eighties and Nineties.
The showcase will chronicle such moments as the invention of the bra in the late 19th century and the arrival of sheer underwear on the market in the Seventies.