Every year Billboard magazine reveals their wellknown „21 under 21“ list that includes „international stars, social-media powerhouses, on-the-rise groups and singers that have scored No. 1 smashes on the Hot 100 before their 21st birthday“. Billboard defines them as „safe bets to continue finding success as they edge toward adulthood“.

The list ist very mixed with Pop, Rock, Hip Hop and more represented here. Nice to see that EDM star Martin Garrix made the Top 5 on #4, joining the likes of Justin Bieber, Lorde, 5 Seconds Of Summer and Fifth Harmony. Madeon also sneaks in at No. 14.

The full list:

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

(Source: Billboard)