Katy Perry mixed athleisure and lingerie while performing at the opening ceremony of the Invictus Games on Feb. 8.

The U.S. Lifetimes Tour leg kicks off May 7 at the Toyota Center in Houston Jack Bridgland Katy ... Tour marks Perry's first major string of North American concerts since her Witness Tour wrapped ...

Katy Perry is preparing to enter a brand ... whole heck of a lot of us just dancing the night away." Perry continued, getting fans excited for what's to come (including a few new songs). "There's ...

Perhaps most notably, singer Katy Perry stole the show with her transformation. A video on Twitter shows Perry really going for it on the dancefloor while wearing a lettuce dress. This is because ...

There's costume changes, there's acts, there's dancers, there's musicians. I'll fly around the room. There's no bad seat in the house," Perry teases. "I'm going to get close to everyone at some point.