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

As she prepares to embark on her first world tour in seven years, Katy Perry ... she goes on stage, Perry revealed in a recent sit-down with USA TODAY, her routine skews "California crunchy." ...

Katy Perry Gears up for Sci-Fi Inspired World Tour ... try,’” she told The Associated Press recently at her Southern California rehearsal space. “The power of your thoughts are so incredible ...