From Billie Eilish to LL Cool J to Peso Pluma, here's everyone who made an unexpected appearance in the desert this weekend.

Brat Summer” may be over—but if Charli has anything to say about it, Cronenberg Summer, Haim Summer, Pulp Summer, and Ethel ...

Coachella Valley Music and Arts Festival has come to a close, but these are the 10 moments that will be stuck in our brain ...

And just when you thought that was it, she offered one final surprise with Billie Eilish on "Guess ... As part of an introduction to the performer Clairo, Sanders told Coachella attendees ...

Other top-billed artists who delivered stellar if less-unprecedented performances included Green Day, Missy Elliot, and Charli xcx, who brought out a bevy of guests who’d previously joined her on tour ...

While Friday’s surprise performance of Queen guitarist Brian May joining Benson Boone had festivalgoers hyped, it was Billie ... Eilish joining Charli XCX onstage was Vermont Sen. Bernie Sanders ...

From Lady Gaga’s jaw-dropping Haus of Gaga-inspired set to Bernie Sanders’ surprise appearance on-stage alongside singer-songwriter Clairo, here are all the ... Lorde, and Billie Eilish. K-pop group ...

He opened for Clairo with a short speech ... come onstage with her to perform their feature in some of the songs she wrote. This included Billie Eilish, Troye Sivan, and Lorde for week one and Addison ...