KATY'S OUT FOR TAYLOR'S BLOOD!

Aims to replace Swift as reigning queen of pop

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CATTY Katy Perry is looking for new gigs now that her stint on American Idol has come to an end and insiders say her top priority is to jump back onstage and give longtime rival Taylor Swift a serious beating firing up their long-simmering feud! 

"Katy might play like she's Taylor's pal but make no mistake, she's incredibly competitive and wants to knock Swift down a notch," spills a spy.