2015 was no different and as we scoured Instagram for all the best celeb costumes this year had to offer, we were impressed by what we found (especially by Katy Perry and Taylor Swift) -- but also surprised there weren't more people getting in on the fun. Maybe Halloween is a dying holiday. Shhh, just don't tell Heidi!
Sooooo, we can all agree that Klum won in the terrifying department, right? Here's her look in full: