(Green Day notably released a song called "Brat" on their 1995 album Insomniac.) Cool, 52, was photographed wearing a makeshift sash that read "actual headliner." Charli, 32, didn't seem bothered ...

Green Day drummer Tré Cool has responded to Charli XCX by sporting an “Actual Headliner” sash at Coachella this weekend. The ‘Brat’ star ruffled some feathers last week when she was seen ...

Finally, Green Day did respond, and in characteristically cheeky and slightly self-deprecating fashion. At some point, a photo surfaced online of drummer Tré Cool wearing a sash of his own ...

38 years after Billie Joe Armstrong, Mike Dirnt and Tré Cool formed their iconic rock band Green Day, the trio was honored with a high recognition for their dedication and signature sound ...

In some pictures, she posed alongside a DJ and her friends wearing a white mini dress and ... Meanwhile, Green Day — which consists of Billie Joe Armstrong, Mike Dirnt and Tre Cool — brought ...

Green Day’s drummer Tré Cool took it a step further. In the band’s trailer, Cool is seen sporting a sash which reads: “Actual headliner.” The DIY piece is a direct jab at Charli XCX.