The Most Powerful Celebrities According to Forbes (20 pics)

20: Robert Downey Jr.

19: David Beckham

18: Katy Perry

17: Simon Cowell

16: LeBron James

15: Tiger Woods

14: Coldplay

13: Rihanna

12: Jennifer Lopez

11: Hugh Jackman

10: Ellen DeGeneres

9: Justin Bieber

8: Roger Feder

7: Bon Jovi

6: Taylor Swift

5: Madonna

4: Beyoncé

3: Steven Spielberg

2: Lady Gaga

1: Oprah Winfrey