Katy Perry announced tour dates for the U.S. leg of her upcoming "The Lifetimes Tour." She will be returning to the Prudential Center in August.

Katy Perry teases her upcoming Lifetimes Tour, how she gave Doechii the 'cheat codes' to handling fame, and an old conversation with Stevie Nicks.

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