Pop Singer Britney Spears has beaten Ashton Kutcher to become the most popular celebrity on the microblogging site Twitter with the highest number of followers.
Spears has 4,955,768 followers on the social networking site, while Kutcher has 4,944,221, reports contactmusic.com.
"This is really amazing! I love you all! I better get busy writing 4,947,608 thank you notes! U guys make me so happy," Spears wrote on her Twitter page.
The 28-year-old singer has an account on Twitter since 2008 and was the first member to reach one million supporters.
However, when asked how does Kutcher feels about Spears overtaking him, he wrote on his Twitter page, "I don't care."