British pop star Charli XCX says singer Katy Perry's gigs are "mental".
The 22-year-old, who earlier opened for Perry as part of her Prismatic World Tour, has revealed her admiration for the 30-year-old and, in particular, her over-the-top stage shows, reports femalefirst.co.uk.
"I felt comfortable and at home, which was really nice. I've never opened for a superpop-tastic artist before," Teen Vogue magazine quoted Charli as saying.
"It's amazing to see the props and the amount of production she had. She's in the air, then on a horse, and then she's dancing, and the whole thing is mental," she added.