1. This girl who went as the best celebrity meme of all time, Matthew Gray Gubler.
2. And this girl, whose mum went all out to make her the most 🔥 on point 🔥 Selena Quintanilla costume.
3. Kylie Jenner, who was a scarily accurate Dirrty-era Xtina.
4. This boy, who didn't need a wig to create the best Hillary Clinton costume you've ever seen.
5. He probably even beat Katy Perry's elaborate get-up, tbh.
6. These ladies, who don't want no scrub.
7. Beyoncé and Blue Ivy, who went as the perfect Salt-N-Pepa...
8. And this little girl, who went as the perfect Beyoncé.
9. Oh, AND this little girl, whose Rihanna costume got the seal of approval from Rihanna herself.
10. Oh, and another shoutout to these mini twin RiRis.
11. Ellen DeGeneres, who was the Sia to Heidi Klum's Maddie Ziegler.
12. This girl, who nailed Lionel Richie's "All Night Long" album cover.
13. This adorable little Prince.
14. All of the celebrities from Kanye West's "Famous" music video.
15. Neil Patrick Harris, David Burtka, and their kids Harper and Gideon, who nailed Halloween as usual.
16. This amazing and original Queen Britney.
17. This Dilemma-era Nelly and Kelly, complete with iconic face band-aid.
18. And Heidi Klum, who went as Heidi Klum... six times.
