Georgina Chapman, Chris Benz, Charlotte Ronson, Molly Sims
Credit: Getty Images

Halloween is just days away, but no need to worry if you don't have your costume picked out yet! We asked some of our favorite designers for their tips on putting together a costume in a pinch. Click through the gallery for last minute outfit advice from Marchesa's Georgina Chapman, Molly Sims, Charlotte Ronson, Chris Benz, and more!