You can always rely on the super talented Fred Butler to be one of the most creatively dressed people at London Fashion Week! We're loving her headpiece and silver foil trousers. And we adored the waistcoat that one of Marios' super chic dressers was wearing backstage. As for denim, it was the style sets fabric of choice. Worn with varying shades of other denim, or teamed with leather, it's the easiest way to do downtown chic.