Charli XCX and The Underscores perform at Desert Diamond Arena in Glendale, Arizona, delivering Charli XCX’s pop–electronic repertoire with The Underscores as the opening act. The Desert Diamond Arena is a large, multi‑purpose venue in the Phoenix area that hosts major touring concerts. The pairing underscores Charli XCX’s continued prominence in live pop music while featuring The Underscores on the same bill.