The skin secrets of Cara Delevingne, Sienna Miller, Rosie Huntington-Whiteley and more. Prev26 of 31Next Image by Getty POPPY DELEVINGNE “This has such a lovely texture and can be worn under make-up. As soon as the sun comes out I put it on every morning.” Sisley Broad Spectrum Facial Sunscreen SPF 30 in Amber, £100 Prev26 of 31Next