A model presents a creation during the Burberry Prorsum 2013 Spring/Summer collection catwalk show at London Fashion Week in London on Sept. 17.

A model is prepared backstage ahead of the Burberry Prorsum 2013 Spring/Summer collection catwalk show during London Fashion Week in London on Sept. 17.

Models showcase designs on the catwalk by Peter Pilotto on day 4 of London Fashion Week Spring/Summer 2013, at the Topshop Venue on Sept. 17 in London, England.

Models showcase designs on the catwalk by Michael van der Ham on day 4 of London Fashion Week Spring/Summer 2013, at the Topshop Venue on Sept. 17 in London, England.