The singer looked like she was ready for another high-fashion trip to space with futuristic costumes to kick off her tour.

Katy Perry's inaugural Lifetimes Tour performance included plunging bodysuits, futuristic lingerie, and more revealing ...

Katy Perry must be feeling nostalgic for her brief time in space, as the pop star brought two fans dressed as astronauts up on stage with her at the kickoff show of her Lifetimes Tour Wednesday night ...