Washington, Feb. 2 -- Singer-songwriter Katy Perry opened up about her newly announced Lifetimes Tour and shared her thoughts on reading album reviews, ultimately deciding it's best to avoid them.

"You shouldn't read it when it's good. You shouldn't read it when it's bad," said Perry, as reported by People.

She added, "My therapist said something that really changed my life. What anybody thinks about you is none of your business. It's what you think about yourself."

This album is about personal change and she hopes it can become "the soundtrack for anyone's life."

"I created this album out of a real shift in my life when I became a mother, and I really tapped into that feminine divine energy. The messages on it are celebratory. They'r...