Dua Lipa's Radical Optimism tour has featured numerous guest appearances, including Lenny Kravitz, Charli XCX, and Gwen Stefani.
During her performance at San Francisco's Chase Center, Lipa covered Green Day's Wake Me Up When September Ends and was joined onstage by Billie Joe Armstrong for a duet of the 2004 ballad.
Wake Me Up When September Ends
Author's summary: Billie Joe Armstrong joins Dua Lipa onstage.