Forbes revealed the world's most powerful celebrities of 2012.
Britney Spears placed as the 6th most powerful celebrities of 2012.
Spears released during the last year her 7th studio album "Femme Fatale", 4 singles and her "Femme Fatale world tour".
The list is based on a combination of serveral aspects to determine the most powerful celebrities.. but in terms of money earnings... Spears surprisely earned more money than J.Lo, Justin Bieber, Lady Gaga and Rihanna.
The official top 10 is:
1. Jennifer Lopez = $52M
2. Oprah Winfredy = $165M
3. Justin Bieber = $55M
4. Rihanna = $53M
5. Lady Gaga = $52M
6. Britney Spears = $58M
7. Kim Kardashian = $18M
8. Katy Perry = $45M
9. Tom Cruise = $75M
10. Steven Spielberg = $130M
http://www.forbes.com/celebrities/