Carving pumpkins, sipping cider, and trick-or-treating may all be indicative of Halloween, but nothing gets us into the spirit more than dressing up. For centuries, people have celebrated Halloween with costumes that run the gamut from spooky to sweet. Today, we're revisiting Halloween costumes one decade at a time, and ending with a 2015 costume guaranteed to break the Internet: http://mode.com/mode-video!