19 May 2011
Lady Gaga has been named the most powerful celebrity in the world -- beating Oprah Winfrey for the first time in four years!
Gaga came in first place on the Forbes Celebrity Power 100 List, thanks to her 10 million Twitter followers and 32 million Facebook friends.
Oprah came in second place, while Justin Bieber showed his influence over the teens of the world, placing 3rd on the list.
U2 and Elton John rounded out the top five.