Justin Bieber becomes second most followed person on Twitter with 100 million followers

Pop star Justin Bieber has become the second person to hit 100 million followers after Katy Perry on Twitter.

Musicians have a strong fan following on the microblogging website as among the 10 most followed people, seven are musicians.

The next most-followed musicians behind Bieber are Taylor Swift (85.5 million), Rihanna (76.9 million) and Lady Gaga (69.5 million).

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Twitter has introduced a #100MBeliebers emoji to celebrate the 23-year-old musician's milestone number.

Bieber's most tweeted songs of all time are "Boyfriend", "Baby", "Sorry", "What Do You Mean" and "Love Yourself".