Firefly will return this year, and it's keeping its September slot from last year after traditionally taking place in June pre-pandemic.

On Tuesday, festival organizers confirmed the 2022 lineup, with Dua Lipa, My Chemical Romance, Green Day and Halsey headlining the four-day fest, which is set for Sept. 22-25 in Dover, Delaware.

The lineup also includes Weezer, The Kid Laroi, Big Sean, Zedd, Porter Robinson, Gunna, Avril Lavigne, Jamie xx, Gryffin, Charli XCX, Bleachers, Rainbow Kitten Surprise, The Head And The Heart, Jungle, Conan Gray, All Time Low, Yungblud, SAINt JHN, Cordae, Willow, Manchester Orchestra, Cold War Kids, 100 gecs, Dayglow, Princess Nokia, Little Simz, San Holo, Elderbrook, Yung Bae, Matt Maeson, Wolf Alice, Gus Dapperton, Neil Frances, Alexander 23, Phantoms, Mallrat, Anna of the North, Ezra Furman, flor, Renforshort, SEB, Weston Estate and more.

Tickets for the fest are not yet on sale, but a pre-sale begins this Friday (Feb. 25) at 10 a.m. EST.