Lady Gaga was the most liked celebrity on Facebook during 2010, with more than 24.7 million people expressing approval for the Bad Romance singer.
Figures published by Facebook show that she beat Eminem to the title by around 800,000 likes.
Megan Fox, Vin Diesel and Rihanna completed the top five, with Barack Obama in sixth.
The identity of the most liked celebrity on Facebook will have come as little surprise to people who have followed Lady Gaga's meteoric rise to superstardom, as she has arguably harnessed the power of social networking sites as a promotional tool more effectively than any other star.
In July the Poker Face singer became the first living person to gain 10 million Facebook fans, narrowly beating President Obama to the landmark.
She also has the most followers on Twitter (7.5 million) and although she only has the 50th largest subscriber base on YouTube, Famecount.com names her as the world's top social network star.
Justin Bieber, who is the ninth most liked celebrity on Facebook and has the third largest Twitter following, is second on Famecount.com's list, ahead of President Obama.
Eminem, Taylor Swift and Katy Perry are among the other stars to make the top ten.
