Edgy hooks, unrelenting energy and a sea of neon green made for a potent dose of pop ecstasy as Charli XCX and Troye Sivan kicked off their much-anticipated Sweat tour Sept. 14 at Detroit's Little Caesars Arena.

One of the year's most acclaimed pop albums got its first arena-sized workout as Charli XCX kicked off her much-anticipated tour with Troye Sivan.

Like a true It girl, Charli’s style escapades didn’t end with her sheer Saint Laurent. Both she and Troye treated their Detroit fans to a fashion tour de force in looks from the likes of Acne Studios, Kiko Kostadinov, Di Petsa, and Dilara Findikoglu.

Charli xcx kicks off her first U.S. arena tour in Detroit on Sept. 14. In the wake of brat summer, here's what to wear to the SWEAT Tour and how to get tickets.

Sivan, the 29-year-old Aussie pop singer, kicked things off performing alongside a team of six male dancers as they paced their way through highly choreographed, playfully innuendo-laden dance routines on songs like "Got Me Started" and "My My My!"

Charli XCX and Troye Sivan are bringing edgy pop and a sea of neon green to fans on their Sweat tour. Here are the songs they'll perform.

Troye Sivan has hit back at an anonymous online gossip story that claimed his joint US tour with Charli XCX is suffering from poor ticket sales. Sivan, 29, and XCX, 32, recently kicked off their arena tour in Detroit.