Sweat was a co-headlining concert tour by British singer-songwriter Charli XCX and Australian singer-songwriter Troye Sivan, in support of their albums Brat (2024) and Something to Give Each Other (2023), respectively. The tour began on 14 September 2024, in Detroit, Michigan, and concluded on 23 October 2024, in Seattle, Washington. English singer and DJ Shygirl served as the opening act. An exclusive European date was added when the duo headlined Primavera Sound 2025 on 5 June 2025. The tour had many notable guests, featured of the Brat's deluxe album. Lorde and Addison Rae appeared at Madison Square Garden on 23 September 2024. Lorde performed 'Girl, So Confusing' with Charli XCX Girl and Addison Rae performed her song 'Diet Pepsi'. Ke$ha and Tate McRae made surprise appearances at the Kia Forum in Los Angeles on 15 October 2024. Ke$ha performed the remix of 'Spring Breakers' with Charli XCX and her song 'TiK ToK'. Tate McRae performed 'You' with Troye Sivan.