The Top 20 Under 20 Years Old

1. Chloe Moretz
Actress, (500) Days of Summer

2. Elle Fanning
Actress, The Curious Case of Benjamin Button

3. Jaden Smith
Actor, The Pursuit of Happyness

4. Abigail Breslin
Actress, Little Miss Sunshine

5. Dakota Fanning
Actress, War of the Worlds

6. Saoirse Ronan
Actress, Atonement

7. Miley Cyrus
Actress, Bolt

8. Josh Hutcherson
Actor, Bridge to Terabithia

9. Alyson Stoner
Actress, Cheaper by the Dozen

10. Selena Gomez
Actress, Another Cinderella Story

11. Emma Roberts
Actress, Aquamarine

12. Nick Jonas
Self, Jonas Brothers: The 3D Concert Experience

13. Taylor Lautner
Actor, Twilight

14. Freddie Highmore
Actor, Charlie and the Chocolate Factory

15. Logan Lerman
Actor, 3:10 to Yuma

16. Keir Gilchrist
Actor, It's Kind of a Funny Story

17. Kodi Smit-McPhee
Actor, The Road

18. Sofia Vassilieva
Actress, My Sister's Keeper

19. AnnaSophia Robb
Actress, Bridge to Terabithia

20. Noah Ringer
Actor, The Last Airbender