London's celebs don't need an excuse to dress up, and the shows of Fashion Week give a ready excuse - some even changing outfit three or four times in one day (we're looking at you Mollie King!).
Or check out how New York's stars scrub up for the shows.
Alice Eve wears Roksanda Ilincic Spring ‘13 Look 33 Dress, Nicholas Kirkwood SS13 heels and Kate Spade ‘I Married An Adventure’ clutch bagat to the Roksanda Ilincic Autumn Winter 13 show.
Zara Martin, dressed head-to-toe in AllSaints, along with Delilah on the front row at Mark Fast during London Fashion Week, February 2013.
Juno Temple wears Double Breasted Blazer and Straight Leg Trousers in Bright Red, Classic Top in Black Nappa and Black Small Willow Tote to the Mulberry AW13 show, London Fashion Week.
Atlanta De Cadenet-Taylor wears Flower Jacket in Black and Medium Cecily with Flower in Black at the Mulberry Autumn Winter 13 show.
Models Arizona Muse and Anja Rubik, in a Burberry SS13 trench, at the Woolmark prize show, London Fashion Week.
Natalie Massenet attends the Woolmark prize show, London Fashion Week.
Patrick Grant Anderson at the Woolmark prize show, London Fashion Week.
Leah Weller in all black at the Sass & Bide Autumn Winter 13 show.