Since 2009, fashion-loving Europeans have been bidding on gently used Celine bags and barely worn Balenciaga coats via Vestiaire Collective, a social shopping website that offers pre-owned designer goods at auction. Now, Stateside fans can finally get in on the fun. To celebrate the site’s US launch, co-founders Sebastien Fabre and Fanny Moizant asked a bunch of stars—including Cara Delevingne, Mila Jovovich, and Suki Waterhouse—to open up their covetable closets. Each currently has a piece up for auction, with bidding starting at $0. And unlike on eBay, the designer pieces are certified for quality and authenticity. What are you waiting for?