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Katy Perry is the first star to reach 50 million Twitter followers.

The singer reached the milestone over the weekend, and can currently tweet to a staggering 50.1 million fans.

Perry marked the occasion by writing:

As it happens, Perry’s boyfriend John Mayer just rejoined Twitter after a couple of years’ absence — even giving Perry a “Follow Friday” boost.

He’s got a ways to go to match Perry’s follower base.

Justin Bieber, with 49.3 million followers, should be the next social media sensation to pass the 50M milestone.

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