Pop superstar Katy Perry has announced an additional show in Adelaide as part of her Australian tour, according to her touring company. Tickets for the concert, scheduled for June 26 at the Adelaide Entertainment Centre, will go on sale at 11 AM tomorrow. Perry recently performed a spectacular 20-minute live set to kick off the AFL Grand Final, drawing an audience of 100,000 fans. This tour, titled Lifetimes Tour, marks Perry’s first in six years and coincides with the release of her new album, “143.” The tour will also stop in Sydney, Melbourne, Brisbane, and Perth in June next year.