Katy Perry of course
Katy perry
That's more of an opinion. I personally like Katy Perry more.
NO WAY Katy Perry's more of a pop kind of gal!
Katy Perry would have to be more popular than Carrie Underwood, because Katy's music is played more often and is more widely accepted throughout the world.
Adele
katy perry
Katy Perry
Who is Katy Perry .
Katy Perry.
Katy Perry
Katy Perry
katy perry
Katy Perry defianetly!
I think its Katy Perry!
Hopefully, Katy Perry is more famous; I would imagine she is, anyway.
Katy perry is more famous than Kermit the frog...💝
elmo is famous for little kids katy perry is famous for big kids