If you're like us, the thought to throw a Roaring '20s New Year's Eve party didn't click until, you know, the day of. So, here we are, looking through Instagram and seeing everyone else dressed up like they're hitting a party at Jay Gatsby's. Never fear, though! It'll be the 20s for the next 10 years, so who says you can't throw a 1920s-themed party whenever you want? Make sure to check off everything you have already to see just how roaring your night can be.