did it on Sunday July 15, 2012 and is now inching above that mark. He's in second place on the all-time twitter followers list behind Lady Gaga, who has well over 27,000,000. The rest of the top ten in order is Katy Perry, Rihanna, Britney Spears, U.S. President Barack Obama, Shakira, Taylor Swift, Kim Kardashian and Nicki Minaj.
Justin Bieber: 2 billion Youtube views
And while Bieber is only 7th in Facebook
fans - Eminem leads followed by Rihanna and Gaga - he leads one social media list: YouTube views. In October of 2011, at the age of 17, he became the first to hit the 2 billion YouTube views, that being the number of views his videos have collectively had. Lady Gaga has since followed but remains behind him.
Bieber tweeted about his twitter milestone: "@justinbieber 25 Million Strong :') so proud."