The message was clear: gone was the girlie girl of spring/summer, autumn's incarnation was a sleeker, chicer and entirely androgynous woman - and she meant business.
Trend trailblazers: (From left to right) Stella McCartney, Ralph Lauren, Dolce & Gabbana and Yves Saint Laurent. Photos:PA
Of course, it's not a trend we're unfamiliar with - Chanel and YSL have been championing boyish charm and Smoking jackets for years - but masculine tailoring is back in a big way for Autumn/Winter 2011.
And really, it's not a hard trend to tap. Start gradually. Swap your sandals for a pair of high-shine brogues and add a pair of ribbed socks. Roll up the bottom of your chinos, and swap a floaty blouse for a shapeless shirt. Top off outfits with a quirky bow-tie or a trilby, and you'll have instant elements of androgyny in one easy accessory...
Of course you could always go all out in a trouser suit and braces - just stear clear of anything that screams Bugsy Malone.
Click on our gallery below to start shopping the trend: