Stefano Citron and Federico Piaggi of Gianfranco Ferré produced in Milan a provocative collection for Autumn|Winter 2013. Cropped trousers were paired with loosely-fitted blouses, jackets, and coats. Layering was the key to the look. Citron and Piaggi chose a palette of black, white, chocolate, caramel, and violet-tinged deep blue, highlighting the draping very much in evidence and…