Bieber becomes second star to reach 100 million Twitter fans
Justin Bieber has become the second person to reach the 100 million followers mark on Twitter.
The singer follows hot on the heels of Katy Perry, who crossed the threshold in June and now has 103 million fans on the social network.
They are followed by Barack Obama with 94.3 million, a figure which dwarfs the 37.2 million who are following US President Donald Trump.
Taylor Swift, who recently wiped all her social media accounts ahead of the release of her latest single, has 85.5 million followers.
Bieber (inset) joined Twitter in March 2009.
He has tweeted 30,700 times.
His most retweeted message was in January 2014, when he wrote a message to his fans. It was retweeted 638,000 times.