26-09-2014، 17:10
Billboard Under 21
1. Lorde
2. 5 Seconds of Summer
3. Justin Bieber
4. Martin Garrix
5. Fifth Harmony
6. Austin Mahone
7. Earl Sweatshirt
8. Shawn Mendes
9. Becky G.
10. Chief Keef
11 . Luis Coronel
12. Meghan Trainor
13. Cody Simpson
14. Madeon
15. Bobby Shmurda
16. Scotty McCreery
17. Troye Sivan
18. Rae Sremmurd
19. Akdong Musician
20. The Vamps
21. Unlocking the Truth