Wearing a suit these days is no longer synonymous with buttoned-up corporate dressing. Fashion editor Caroline Issa, photographed a few days ago during London Fashion Week, demonstrates that a sleek, streamlined suit can be the epitome of high-fashion chic. With her red ankle boots and sporty satchel, she looks modern, polished, feminine--and yet totally at ease. The beauty of wearing a suit is that it's simple dressing, with sophisticated head-to-toe results, and you can mix and match the suit separates, too. Here are some power suits worth working: Stella McCartney's tuxedo-inspired and ; Warehouse's crepe boyfriend and piped-edge cropped ; Nonoo's and ; and Topshop's lace print .