The singer is giving fans a chance to win her archival 2008 Warped Tour and 2009 Hello Katy Tour outfits ...
The beloved singer broke out the familiar outfit as part of her work in the Firework Foundation.
South Wales Argus on MSN
Katy Perry set Cardiff Castle alight in one spectacular review
Fans roar along as Katy Perry brings her biggest hits, Welsh tributes and slick staging to a memorable Cardiff Castle gig.
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