It's safe to say that the slip skirt has had a storming comeback as of late. The practical, multipurpose undergarment was originally used to help dresses and skirts hang properly, warm the body in winter and prevent clothing from becoming see-through. Fast forward 100 years and the slip's great-great-granddaughter is an altogether different beast. Liberated from its lingerie status, the slip found its way to the forefront of '90s fashion, but until now, hasn't had much of a look in. However, with the industry's renewed obsession with all things throwback, this season has seen the trend back in fashion editors' good books (if you need proof, just check out the sellout success of Réalisation's leopard-print skirt).