Being a slacker doesn't also have to mean being poorly dressed. New Year's Eve is mere moments away, and if you're still standing in front of your full-length mirror, stumped for the Perfect Outfit, consider this your last shot. A sexy, sophisticated frock is pretty much required to ring in 2012, so, if you don't have one yet, click through…immediately. All of our picks for NYE partying come with the convenient option of overnight or express shipping, guaranteeing you'll get your gown before the big ball drops. Wait until tomorrow, and we can't guarantee you won't be crafting a DIY-glitter-something at the last (scary) minute. You've been warned.