A Good Cause–Donning the limited edition t-shirt exclusively designed by Stella McCartney for Red Nose Day 2013, model Arran Sly appears before the lens of model turned photographer Helena Christensen in a series of pictures, shot to support UK-based charity Comic Relief. Following David Gandy’s footsteps, Arran joins the group of models and celebrities that lend their images to support the charity’s efforts to improve lives in UK and Africa. / Makeup by Lauren Parsons.