By Anna Hecht
Updated: Dec 15, 2017 @ 12:04 am
kyliejenner/Instagram

Halloween 2016’s costumes were so on point there was no telling Katy Perry from Gwen Stefani. Can you I.D. the real Heidi Klum in a row of look-alikes? Take our quiz and match wits with a whole lot of glam skeletons and a highly disturbing "Hillary Clinton," among other wonders of modern makeup. 

Best of luck!