Celebrity·Posted on Sep 25, 2013These Are The Top 10 Artists On This Year's Billboard's 21 Under 21Read it here first!by Lauren YapalaterBuzzFeed StaffLinkFacebookPinterestTwitterMail Tap to play GIF Tap to play GIF 10. Emblem 3: Tap to play GIF Tap to play GIF 9. Cody Simpson Tap to play GIF Tap to play GIF 8. Scotty McCreery Tap to play GIF Tap to play GIF 7. Austin Mahone Tap to play GIF Tap to play GIF 6. Lorde Tap to play GIF Tap to play GIF 5. Earl Sweatshirt Tap to play GIF Tap to play GIF 4. Arianna Grande Tap to play GIF Tap to play GIF 3. Miley Cyrus Tap to play GIF Tap to play GIF 2. Justin Bieber Tap to play GIF Tap to play GIF And # 1 on Billboard's 21 under 21 is...(drum roll please) Tap to play GIF Tap to play GIF 1. One Direction! Tap to play GIF Tap to play GIF See the full list at Billboard! billboard.com