One Direction star Niall Horan is celebrating after reaching a Twitter milestone.
The X Factor singer reached 20 million followers on the social network site this week, making him the 25th most followed person in the world.
Pop star Katy Perry is the most followed celeb on the site, with 58 million followers to date.
While the likes of Kim Kardashian has 24 million and singers Alicia Keys and Beyonce both have over 20 million people following them.
And Diamonds singer Rihanna is up there with over 37 million followers.
Superstar: Niall has a legion of fans
Niall, who turned 21 last month, ironically Tweeted his news yesterday.
“Oi oi! 20 million followers! Amazing! Thanks everyone! Welcome to my world all the new followers”, he wrote.
Niall’s followers equals the population of Australia.
