Katy Perry's "The Lifetimes Tour" will launch in May. But more importantly, it will come to the Wells Fargo Center in Philly ...

Katy Perry sits down with USA TODAY reporter KiMi Robinson to talk her world tour and why she is excited to bring her young daughter along.

Katy Perry shared what fans can expect from The Lifetimes Tour in an exclusive interview with E! News: "There might be a ...