Just because it's over doesn't mean it's really over - Katy Perry will be never over! The newly mother, pop-princess has elevated the music industry with numerous of pop-gems; it's high time to rate her whole DISCOGRAPHY! This time all Katy's songs will be competing with each other, so rate carefully! We will rate her tracks from the official studio albums, features, duets and soundtracks!  WELCOME TO THE SUPER-MEGARATE on KATY PERRY'S DISCOGRAPHY!   She’s the dream girl. The fre