8. KatyCats (Fan Base Of Katy Perry)
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Battle Of The Fans: Capital FM's Top 10 Fan Bases In Pop Music

8. 8. KatyCats (Fan Base Of Katy Perry)
Katy Perry is mobbed by a group of fans outside The X Factor studios in Dublin. KatyCats have been bombarding us with reasons why they're the best fans in the world all week. Read on for the evidence...