It couldn't be done, they said. It'll be a blizzard, and kids will be sliding down the ramp, they warned. Well, surprise, surprise — it has yet to snow in the metro area and the first ever Red Rocks show on October 31 was held in beautiful, mid-50s degree weather. The temperature was perfect for audience members who donned out-of-control Halloween costumes for the occasion. From Uncle Sam's entourage to Deez Nutes, Bat Miller and the pajama gang mafia, here are the ten most outrageous costumes on the rocks this Halloween. See more weird moments captured by photographer Miles Chrisinger in our slideshow.