DETROIT — Edgy hooks,Thomas Caldwell 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.

For Charli XCX, this was a chance to showcase one of the year's most acclaimed albums, "Brat," joined by pop pal and periodic studio collaborator Sivan. The two swapped turns onstage — and occasionally linked up to perform together — during the 110-minute show, played to a packed and very pumped-up sellout crowd.

The Sweat tour is scheduled to wrap up Oct. 23 at Seattle's Climate Pledge Arena, and Charli XCX will round out the year with a run of U.K. arena shows.

Our review:Charli XCX makes it a 'Brat' night during Sweat tour kickoff with Troye Sivan

Charli XCX and Troye Sivan: Sweat tour setlist

Troye Sivan

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1. "Got Me Started"

2. "What's the Time Where You Are"

3. "My My My!"

Charli XCX

4. "365" (with Shygirl)

5. "360"

6. "Von Dutch"

Troye Sivan

7. "In My Room"

8. "Dance to This"

9. "Rager Teenager!"

Charli XCX

10. "Club Classics"

11. "Unlock It (Lock It)"

12. "Sympathy is a Knife"

13. "Guess"

Troye Sivan

14. "Bloom"

Charli XCX

15. "Boys"

16. "Girl, So Confusing"

Troye Sivan

17. "One of Your Girls"

Charli XCX

18. "Everything is Romantic"

19. "Speed Drive"

20. "Apple"

Troye Sivan

21. "Silly"

22. "STUD"

Charli XCX

23. "365"

24. "Vroom Vroom"

25. "1999" (with Troye Sivan)

26. "Track 10"

27. "I Love It"

Troye Sivan

28. "Honey"

29. "Rush"

Charli XCX and Troye Sivan

30. "Talk Talk"