US singer Katy Perry is 100m Twitter Followers

The US singer-songwriter Katy Perry has become the first person to reach 100m followers on Twitter. The website video a compilation of her tweets since she joined 2009along a massage saying "Today, we #WITNESS history".
Witness she named Katy Parry album.

Top 5 most-followed in twitter accounts:
Four are pop stars and one US president.

1. Katyparry
   2.justinbieber
   3.BarakObama
   4.taylorswift
   5.rihanna

Am i mistake? Hive account@saifursujan