29 years old Katy Perry just reached 50 million followers on Twitter,and refers her fans as Katycats.
Katy is calling on all her fans to welcome her beau John Mayer back to the social media site (Twitter).
She tweeted about her boyfriend John Mayer late last week, urging her legion of loyal fans to follow him on twitter.
If you are her fan go follow her boyfriend too..
Meanwhile The musical couple recently collaborated on ''Who You Love''.
The Dark Horse artist is set to tour North America in June to promote her album Prism. which she released in October last year.
No word on whether her boyfriend will hit the road with her.