Forbes just revealed the top 100 of the most powerful celebrities :

Have a look at the top 10:

1 Angelina Jolie
2 Oprah Winfrey
3 Madonna
4 Beyoncé Knowles
5 Tiger Woods
6 Bruce Springsteen
7 Steven Spielberg
8 Jennifer Aniston
9 Brad Pitt
10 Kobe Bryant

Follow this link to see the complete list :

http://www.forbes.com/lists/2009/53/celebrity-09_The-Celebrity-100_Rank.html