The Grammy-nominated pop star launched the U.S. leg of her new "The Lifetimes Tour" May 7 in Houston, followed by her OKC ...

The Grammy-nominated pop star just launched the first U.S. leg of her new "The Lifetimes Tour" May 7 in Houston and now is ...

Katy Perry is getting futuristic on her new Lifetimes tour, which kicked off its North American run May 7 in Houston. Here ...