The hosts kicked off the show on horseback to the tune of Lil Nas X's hit, "Old Town Road."
The hosts channeled the west in their hats and colorful costumes.
This is what happens when you cross a demon with an internet craze.
Ryan Seacrest turned Pennywise into a YouTube makeup pro.
They could not have done a "viral edition" of Halloween without taking on the tune stuck in everyone's head this year.
Ryan and Kelly channeled Katy and Taylor as burger and fries—say that three times fast!
It seems Kelly and Ryan found Jennifer Lopez's Versace twin.
Snaps for this perfect recreation.
This is what we call committing to costumes.