The first trailblazing Brit to pose on the cover of Playboy, as well as being the face and body of computer game heroine Lara Croft, Nell McAndrew knows a thing or two about the power of style and image. These days, having successfully transcended the space between lingerie model and fitness guru, the 38-year-old likes to keep it low-key and sporty. “I usually stick with something that’s simple, but that still makes me feel fantastic,” Nell explains, trying to keep six-year-old Devon occupied in the background. “It’s all about comfort, and fabrics that really work for exercise. I think less these days about my ‘style’, if you want to call…