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Katy Perry poses for photographers upon arrival at the 2013 MTV Europe Music Awards, in Amsterdam, Netherlands, Sunday, Nov. 10, 2013.
Katy Perry is officially the queen of Twitter!
As of Monday, the "Dark Horse" singer has over 50 million followers on the social networking site, making her the most followed person in Twitter history.
Perry took to her Twitter to react to the milestone, writing, "Oh yeah AND we grew to 50 million Katycats! Eh, regular day at the office."
Perry passed up Justin Bieber back in November as the most popular person on Twitter. At the time, she had 46.48 million followers while the Biebs had 46.47 million followers.
Today, Bieber currently has 49.3 million followers.
Meanwhile, Perry's beau John Mayer recently rejoined Twitter after quitting back in September 2010.
Mayer returned to Twitter this past Friday, writing, "I'm back. What'd I miss?"
He then tweeted a YouTube link to Rebecca Black's 2011 viral video "Friday" and jokingly pretended to be out of the loop. "Been waiting SO long to share this with you. It's so bad it's good. Take a look," he wrote.
He also shared, "I'll be honest, when it came to rejoining twitter, I had mixed emojis."
Oh yeah AND we grew to 50 million Katycats! Eh, regular day at the office. 🙌
— Katy Perry (@katyperry) February 1, 2014