Twitter index: Justin Bieber surpasses 9 million followers

(AFP PHOTO / GABRIEL BOUYS)

Canadian pop singer Justin Bieber and his fans are celebrating on the morning of April 22 as the singer surpasses the 9 million fan milestone. Bieber joins Lady Gaga as the only microbloggers in the world with more than 9 million followers.

"9 MILLION!!! I LOVE YOU PEOPLE!!!" tweeted Justin Bieber (@justinbieber), following with a post that read "WOOOHOOOO...BIEBER GONE WILD!!!!"

Bieber's fans are celebrating the milestone with fourth and fifth place terms "#9millionbeliebers" and "Bieber Gone Wild."

"@justinbieber, remember when you only lived in that small town of 32,000? now you have #9millionbeliebers... crazy right? #dreambig," tweeted one of Bieber's fans using the "#9millionbeliebers" hashtag.

Whiskey brand Jack Daniels is promoting the top topic on Twitter and its newly launched Jack Daniels Honey for the second day running.

Romantic comedy " Never Been Kissed" is in sixth place, action comedy "Blue Streak" is in seventh place and computer-animated family film " Finding Nemo" is in tenth place.

American actor "Joseph Gordon-Levitt" has been cast as Gotham City policeman John Blake in The Dark Knight Rises. He will star alongside his Inception co-star Marion Cotillard.

Twitterers are drooling over shirtless pictures of Joe and Nick Jonas and showing their appreciation with ninth place term "JoickShirtless."

The top 10 most talked about topics on Twitter on April 22 at 7:30 AM GMT are:

1. #FindJackHoney (promoted)
2. #ifitwasuptome (new)
3. #imsinglebecause (new)
4. #9millionbeliebers (new)
5. Bieber Gone Wild (new)
6. Never Been Kissed (new)
7. Blue Streak (new)
8. Joseph Gordon-Levitt (new)
9. JoickShirtless (new)
10. Finding Nemo (new)