Models Cara Delevingne, Georgia May Jagger and Suki Waterhouse are pastel pinups in Mario Testino’s editorial ‘Girls On Film’. Lucinda Chambers styles the trio in retro, sugarspun lingerie looks from Valentino, Chanel, Burberry, Christian Louboutin and more for Vogue UK’s April issue. / Hair by Sam McKnight; makeup by Charlotte Tilbury. 