From sexy pizza rat to Cecil the lion to a barfing gnome, CNN's Jeanne Moos reports on 2015's kookiest costumes. <script type='text/javascript' src='http://z.cdn.turner.com/cnn/van/resources/scripts/van-widgets.js'></script> <div data-cnnvansinglewidget data-affiliate='gantdaily' data-videoid='us/2015/10/19/jeanne-moos-2015-best-halloween-costumes-dnt-erin.cnn' data-size='auto' data-autostart='true'></div>