Katy Perry's getting ready to take her fans through a series of lifetimes ... 'cause she's rehearsing for her upcoming tour -- and, TMZ has exclusive video of the practice.
Katy Perry Kicks Off 'Lifetimes' Tour in Mexico City After Blue Origin Trip to Space | TMZ Live
Katy Perry's "Lifetimes" tour has officially blasted off, and it’s nothing short of intergalactic -- 'cause she was straight back..
TMZ