Kate Moss' sister Lottie wows in Versace dress by hellofashion.com / 10 February 2016 It was all eyes on Lottie Moss as the little sister of supermodel Kate Moss stepped out for the Vogue 100: A Century of Style exhibition on Tuesday night. The 18-year-old rocked a Versace blazer dress - we love this look! Read more about: Fashion news Celebrity style Kate Moss Lottie Moss The party was attended by a host of fashion's elite, including Suki Waterhouse. Amber le Bon. Dakota Johnson. Jourdan Dunn. Karlie Kloss. Lara Stone.