Reddit user totallyjack asked the community to define the 2010s in five songs, and here's what people said were absolute earworms.
1. Kesha, "TiK ToK"
2. Gotye feat. Kimbra, "Somebody That I Used to Know"
3. Rihanna feat. Calvin Harris, "We Found Love"
4. LMFAO feat. Lauren Bennett, GoonRock, "Party Rock Anthem"
6. Psy, "Gangnam Style"
8. Foster the People, "Pumped Up Kicks"
10. Fun feat. Janelle Monáe, "We Are Young"
11. Beyoncé feat. Jay-Z, "Drunk in Love"
12. Miley Cyrus, "Wrecking Ball"
13. Daft Punk feat. Pharrell Williams and Nile Rodgers, "Get Lucky"
14. DJ Snake and Lil Jon, "Turn Down for What"
15. Lorde, "Royals"
16. Lana Del Rey, "Summertime Sadness"
17. Taylor Swift, "Shake It Off"
18. Mark Ronson feat. Bruno Mars, "Uptown Funk"
19. Fetty Wap, "Trap Queen"
20. Justin Bieber, "Sorry"
21. Major Lazer and DJ Snake feat. MØ, "Lean On"
22. Adele, "Hello"
23. Drake feat. WizKid and Kyla, "One Dance"
24. Luis Fonsi feat. Daddy Yankee, "Despacito"
25. Kendrick Lamar, "Humble"
26. Cardi B, "Bodak Yellow"
27. Ariana Grande, "No Tears Left to Cry"
28. Lady Gaga and Bradley Cooper, "Shallow"
29. BTS, "Fake Love"
30. Lizzo, "Juice"
Submissions have been edited for length and/or clarity.