By Andy Sambidge
US television host knocks Angelina Jolie off top of list based on earnings, media exposure.
Superstar US television host Oprah Winfrey has has been named the most powerful celebrity in the world in the latest list by Forbes magazine.
Winfrey knocked film star Angelina Jolie off the top of Forbes's annual Celebrity 100 list, which is based on earnings and media exposure.
Singer Beyonce came second, while film director James Cameron was third following his huge success with Avatar.
Lady Gaga was the highest new entry on the list at number four.
Golf star Tiger Woods was the only sports star to make the top 10, despite his difficult past few months.
Sandra Bullock, who won an Oscar this year for best actress, jumped up the chart from 92 to eight.
Music mogul Simon Cowell led the British charge, climbing 14 places to number 11.
This year, Forbes added a social media ranking that reflected each celebrity's presence on Facebook and Twitter, which was taken into account along with media exposure and earnings.
The Forbes Celebrity top 10 Power list
1. Oprah Winfrey
2. Beyonce Knowles
3. James Cameron
4. Lady Gaga
5. Tiger Woods
6. Britney Spears
8. Sandra Bullock
9. Johnny Depp