Pop star Charli XCX performed at Coachella's first weekend, which was headlined by Green Day and other artists. And the two groups gave one another shout-outs via their accessories during the festival ...

Charli wore a sash that read "Miss Should Be Headliner" at Coachella's first weekend, then Green Day's drummer, Tré Cool, ...

NIALL HORAN is one of the most low-key lads in One Direction, never happier than on a golf course or in a music studio. But the same can’t be said of his lifestyle. Pals told me the Slow Hands ...

Coachella’s second weekend saw a series of amazing moments, out of which stood out a surprising yet exciting collaboration ...

Ironically, Green Day has a song titled “Brat,” off of their 1995 album, Insomniac. And Charli has been known to rock out ...

After Charli XCX wore a 'Miss Should Be Headliner' sash after Coachella weekend one, Green Day's Tre Cool mocked up his own made of toilet paper.

Though Charli XCX has certainly got the last laugh after she took a playful dig at Green Day with a sash, the rock band ...

The sprawling 2004 epic reflected Billie Joe Armstrong’s own lived experiences - and was the cornerstone of American Idiot ...

The sprawling 2004 epic reflected Billie Joe Armstrong’s own lived experiences - and was the cornerstone of American Idiot ...

Green Day had already referenced Charli XCX’s jab during their performance earlier that evening when frontman Billie Joe ...

It seems we’re not saying good riddance to the Charli XCX–Green Day drama anytime soon. It all started when the British pop ...