British heiress Poppy Delevingne has long been making waves—and causing flashbulbs to pop—on both sides of the pond with her cheeky humor and irreverent taste in clothes. Recently, the blond beauty took on the role of brand ambassador for Massimo Dutti, acting as a guest style editor of the company's online magazine. Here, Delevingne breaks down her one-of-a-kind look.

Define your style in three words:
Temperamental, disorganized, eclectic.

Daily uniform:
Skinny ripped jeans, studded ankle boots, T-shirt, blazer.

Greatest hits:
Balmain leather baseball jacket, vintage Rolling Stones T, Chanel Studio 54-inspired jumpsuit, Isabel Marant floral pants, vintage Pucci shift dress, Cobra Society boots, Massimo Dutti Taupe Silk Dress.

Preferred footwear:
Anything by Tabitha Simmons or Charlotte Olympia.

Finishing touches:
Jewelry by Dominic Jones, Lulu Frost or Jennifer Meyer. Bags by Meli Melo, Chanel or Corto Moltedo.

Nighttime look:
Leather pants and not a lot else.

Best recent discovery:
Hula hooping—turns out I'm extremely decent at it. And my new favorite artist, Urs Fischer. He's unreal.

Favorite stores:
Fashion: Barney's and Massimo Dutti in NYC. Interiors: Andrew Martin in London. Beauty: Chanel beauty counter anywhere in the world. Books: Colette in Paris or Fred Segal in LA.

Style pet peeve:
Wrap dresses.

Style icons:
Marlene Dietrich, Stephanie Seymour, Jane Birkin, Bianca Jagger, Amanda Harlech.

Last purchase:
Tequila on the rocks.

Lusting after:
Tequila on the rocks.

Favorite haunts:
Restaurants: Balthazar in NYC, LouLou's in London, Hotel Costes in Paris, Chateau Marmont in LA. Bars: Boom Boom Room in NYC, Scotch in London, Rasputin in Paris, The Spare Room in LA.

Next vacation:

Warm weather must-have:
A base tan.