Billboard har lagt upp sin nya "21 under 21" lista. Så här såg den ut:

1: Taylor Swift
2: Justin Bieber
3: Selena Gomez
4: Charice
5: Soulja Boy
6: Nick Jonas
7: Willow Smith
8: Demi Lovato
9: Greyson Chance
10: Miley Cyrus
11: Lex Luger
12: Taylor Momsen
13: Chris Colfer
14: Miranda Cosgrove
15: Diggy Simmons
16: Wonder Girls
17: Never Shout Never
18: New Boyz
19: Nikki Yanofsky
20: Cody Simpson
21: Sean Kingston