‘Guess’ Who Showed Up: Charli XCX Surprises At Billie Eilish’s Forum Concert
The track is featured on Charli’s remix album Brat And It’s Completely Different But Also Still Brat.
By Scott Bernstein Dec 18, 2024 • 7:02 am PST

Photo by Terrence O’Connor
Billie Eilish brought out special guest Charli XCX during her concert on Tuesday at Kia Forum in Los Angeles. The pop stars collaborated on their “Guess” remix towards the middle of the show.
Last night’s performance was Eilish’s third of five Hit Me Hard And Soft Tour dates at the famed venue in her hometown. Billie Eilish will take today off to celebrate her 23rd birthday. The run at Kia Forum continues on Friday and concludes on Saturday.
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“Guess” is featured on Charli XCX’s remix album Brat And It’s Completely Different But Also Still Brat. The studio collaboration was nominated for the 2025 Grammy for Best Pop Duo/Group Performance.
Green lights flooded the stage as Charli XCX made her entrance to thunderous applause, setting the scene for Eilish’s subsequent appearance. Billie Eilish chimed in on the verses as the audience shouted along.
Watch audience-shot video of Billie Eilish and Charli XCX’s first live “Guess” collaboration below:
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Charli XCX, who will embark on the Brat 2025 Arena Tour next spring, shared footage of the performance along with a birthday message for Eilish:
https://www.instagram.com/p/DDtY2znRTUN/Setlist
- THE GREATEST
- CHIHIRO
- LUNCH
- NDA
- Therefore I Am
- WILDFLOWER
- when the party's over
- THE DINER
- ilomilo
- bad guy
- THE GREATEST
- i love you
- Your Power
- SKINNY
- TV
- Unknown Song
- bury a friend
- Oxytocin
- Guess
- everything i wanted
- Unknown Song
- lovely
- ocean eyes
- Silver Bells
- L'AMOUR DE MA VIE
- What Was I Made For?
- Happier Than Ever
- BIRDS OF A FEATHER
- BLUE
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