The pop star is the first to reach 18 million followers on Twitter.
In shock she tweeted. "Can't believe I have 18,000,000 TwitterMonsters, really rad, was just a few years ago I had barely any."
The pop star is the first to reach 18 million followers on Twitter.
In shock she tweeted. "Can't believe I have 18,000,000 TwitterMonsters, really rad, was just a few years ago I had barely any."