Gallery: Katy Perry: Live at Nationwide Arena August 14, 2014Mark Batke Country singer Kacey Musgraves performs for a crowd at Nationwide Arena Aug. 13. Musgraves served as the opening act for Katy Perry’s Prismatic World Tour. Credit: Mark Batke / Photo editor Country singer Kacey Musgraves performs for a crowd at Nationwide Arena Aug. 13. Musgraves served as the opening act for Katy Perry’s Prismatic World Tour. Credit: Mark Batke / Photo editor Katy Perry emerges from a giant prism to perform her opening song, “Roar,” during a stop in Columbus, Ohio, on her Prismatic World Tour at Nationwide Arena Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry finishes a song on her setlist as the lights dim during a Prismatic World Tour performance at Nationwide Arena Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry rises above the crowd on a hydraulic platform during a Prismatic World Tour performance at Nationwide Arena Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry sits and performs on a stage prop during a Prismatic World Tour performance at Nationwide Arena Aug. 13. Credit: Mark Batke / Photo editor Katy Perry performs for a crowd at Nationwide Arena during a Prismatic World Tour stop in Columbus, Ohio, Aug. 13. Credit: Mark Batke / Photo editor Katy Perry rises above the crowd on a hydraulic platform during a Prismatic World Tour performance at Nationwide Arena Aug. 13. Credit: Mark Batke / Photo editor Katy Perry finishes a song on her setlist as the lights dim during a Prismatic World Tour performance at Nationwide Arena Aug. 13. Credit: Mark Batke / Photo editor
