Top model Joan Smalls joins Cara Delevingne and Kara Kloss on the notable September issue of Vogue. There are six other models who are included on the extended pull-out cover: Arizona Muse, Edie Campbell, Imaan Hammam, Fei Fei Sun, Andreea Diaconu and Vanessa Axente. Well-known fashion photographer Mario Testino photographed the cover.