The singer's loyal legion of fans — affectionately known as her "KatyCats" — have been showing up and showing out ...

Katy Perry’s much-maligned and derivative 'Lifetimes Tour' came to Philly. And the fans in fringed skirts lapped it all up.

Some of the most well-known iconic looks, which fans are recreating, include attire that pays tribute to the singer's Super ...