The Best Iconic Prom Dresses of All Time

Iconic Prom Dresses From "Pretty in Pink" to "Gossip Girl," InStyle inspires you for your night out with the best on-screen prom moments ever. Looking for some style inspiration for your big night? From Harry Potter to Gossip Girl, we’ve rounded up the most memorable on-screen prom moments. Who could forget Molly Ringwald‘s thrift store find in Pretty in Pink, or the dramatic black-and-white look