The season's key fashion trends from the top designer fashion labels at InStyle

THE HOT TREND

Haute Couture Spring Summer 2012

Highlights from the Giambattista Valli, Christian Dior and Versace couture fashion shows...

Haute Couture Spring Summer 2012 - See all 51 pictures

The Denim Guide

Skinny or peg leg, the boyfriend or bell-bottoms, find the perfect pair of jeans with help from industry experts, celebrity inspiration and InStyle tips...

The Denim Guide - See all 25 pictures

SEE highlights from Paris Fashion Week, including Miu Miu, Louis Vuitton, Valentino, Alexander McQueen, Chanel, YSL, Chloe, Stella McCartney, Christian Dior, Givenchy, Hermes, Celine, Lanvin and MORE!

Paris Fashion Week S/S 12 - See all 138 pictures

Milan Fashion Week S/S 12

From Gucci to Versace, fashion's glitziest names go on parade in Milan....

Milan Fashion Week S/S 12 - See all 84 pictures

Fashion Week Street Style

Fashion Blogger Delphine Hervieu has been our street style reporter for London and Milan Fashion Week! See which seriously stylish people made the cut...

Fashion Week Street Style - See all 116 pictures

London Fashion Week S/S 12

London Fashion Week spring summer 2012 got off to a super stylish weekend with Richard Nicoll, Mulberry, Issa, House of Holland, Jaeger, Jonathan Saunders, Vivienne Westwood and more taking to the runways...

London Fashion Week S/S 12 - See all 98 pictures

New York Fashion Week S/S 12

SEE the latest shows from New York Fashion Week including, Jenny Packham, Marc by Marc Jacobs, Donna Karan and more!

New York Fashion Week S/S 12 - See all 91 pictures

Festival Street Style

InStyle has been on the hunt for the hottest festival street style looks at the V festival 2011, Secret Garden Party, Port Eliot and more! See which stylish ladies have caught our eye...

Festival Street Style - See all 49 pictures

Fashion Trends Autumn/Winter 2011-12

From mega-watt colour to Nu Sixties, we look at the key trends of the new season. Don't go shopping without them!

Fashion Trends Autumn/Winter 2011-12 - See all 10 pictures

Haute Couture Autumn Winter 2011-12 Fashion Shows

Highlights from Valentino, Chanel, Armani Prive, Stephane Rolland, Giambattista Valli, Christian Dior and Alexis Mabille

Haute Couture Autumn Winter 2011-12 Fashion Shows - See all 21 pictures

Resort 2012 Fashion Shows

We're fast-forwarding time to bring you a taste of what we'll all be wearing next spring from Mulberry, Burberry, Diane von Furstenberg, Tibi, Alice & Olivia, Zac Posen, Z Spoke by Zac Posen and Yigal Azrouel bring you plenty of your favourite trends for resort 2012, plus a few new surprising ones...

Resort 2012 Fashion Shows - See all 24 pictures

Lingerie Guide

From the pretty to the practical, we give you the lowdown on the best lingerie around for every outfit and occasion, so you need never go unsupported again!

Lingerie Guide - See all 9 pictures

Swimwear Guide

Whether you’re petite or pear-shaped, busty or boyish, our swimwear experts give their top tips to help you find your perfect shape and style...

Swimwear Guide - See all 18 pictures

Alexander McQueen Retrospective

As Kate Middleton honours the late great McQueen on her wedding day, we take a look back at his most iconic designs and how Sarah Burton has since kept the legacy alive.

Alexander McQueen Retrospective - See all 33 pictures