Skirts given star billing as Prada swerves trousers and dresses in Milan

Combination of Miuccia Prada with Belgian designer Raf Simons once again spins gold for fashion house Miuccia Prada’s style formula is simple: begin with a great skirt.

Her personal uniform is a knee-length skirt, A-line or pleated, most often with a plain sweater and kitten heels. The Prada collection that opened Milan fashion week made a compelling case for her favourite outfit, with a skirt the star of every one…