LONDON: Pop star Lady Gaga has been named as the world's most powerful celebrity in a new poll compiled by Forbes magazine.

Contactmusic.com reports that in Forbes magazine's annual celebrity power 100 list, Gaga has beaten chat show queen Oprah Winfrey, who has held the top spot for the past four years. Winfrey is second on the list.

A statement from the magazine said: "Lady Gaga tops our power list not just because of her $90 million in earnings, but also because of her 32 million Facebook fans and 10 million Twitter followers. Those fans helped move 1 million copies of her hit single, 'Born This Way', in just five days."

Forbes' celebrity power list 2011 top 20:

1.Lady Gaga

2.Oprah Winfrey

3.Justin Bieber

4.U2

5.Sir Elton John

6.Tiger Woods

7.Taylor Swift

8.Bon Jovi

9.Simon Cowell

10.Lebron James

11.Angelina Jolie

12.Katy Perry

13.Johnny Depp

14.Kobe Bryant

15.Leonardo DiCaprio

16.Black Eyed Peas

17.Donald Trump

18.Phil McGraw

19.Tyler Perry

20.Sir Paul McCartney

Keywords: Hollywood film news, hollywood actors, hollywood actress, Lady ganga