Coachella 2025 just got even more iconic as Billie Eilish made a surprise appearance during Charli XCX’s set, sending fans into a frenzy with a live debut of their collaboration, “Guess.”
The unannounced performance took place on the festival’s second weekend, where Charli XCX was already commanding the stage with her high-energy set. As the crowd roared, Eilish emerged to join Charli onstage, marking their first-ever live performance of the recently released single “Guess.”
The pop powerhouses delivered a stunning rendition of the track, blending Charli’s futuristic pop style with Eilish’s signature moody vocals. Fans quickly flooded social media with videos and reactions, hailing the moment as one of Coachella 2025’s biggest highlights.
“Guess” has quickly become a fan-favorite since its release, with both artists teasing the collaboration earlier this year. The track, featured on Charli XCX’s upcoming album, showcases a bold, experimental sound that merges both artists’ unique styles.

Dressed in matching black outfits and glowing under neon lights, Charli and Billie’s chemistry on stage was undeniable, leaving fans hoping for more live appearances together in the future.
This isn’t Billie Eilish’s first unforgettable Coachella moment—she headlined the festival in 2022 and has since returned in various surprise appearances, solidifying her place as a Coachella favorite. Meanwhile, Charli XCX continues to prove her status as a boundary-pushing performer with a flair for unforgettable live shows.
As fans continue to relive the magic of this surprise duet, one thing is clear—Charli XCX and Billie Eilish just raised the bar for Coachella collaborations.