US singer Lady Gaga leaves the set of Canal Plus TV show "Le grand journal" during the 64th Cannes Film Festival in May 2011 in Cannes. The pop diva has become the first person with more than 10 million followers on Twitter.

Pop diva Lady Gaga has become the first person with more than 10 million followers on Twitter.

"@ladygaga just reached 10 million. Wow!" the San Francisco-based micro-blogging service said in a "tweet" on Monday.

Lady Gaga had 10.06 million followers as of Monday afternoon.

"10 Million Monsters! I'm speechless, we did it! Its an illness how I love you," said in a message on her Twitter feed.

Another pop star, Justin Bieber, was the next most-followed person on . Bieber's @justinbieber account has nearly 9.7 million followers.

US President was next with more than 8.02 million followers of his @barackobama account.

Rounding out the top five were US singer Britney Spears with 7.8 million followers for @britneyspears and US television personality Kim Kardashian with 7.5 million followers for @kimkardashian.