Charli XCX shared a list of higlights of 2024 with Addison Rae, Billie Eilish, and numerous other collaborators.

At the Billie Eilish concert in California, Charli xcx made a guest appearance. It's not the first time the artists have celebrated birthdays together. Billie Eilish turned 23 on December 18th.

Billie Eilish welcomed Charli XCX onstage at the Kia Forum in Los Angeles last night for a surprise performance of their collaborative hit track “Guess.” The energetic track comes off Brat and ...

Billie Eilish's latest concert got the Brat treatment. On Tuesday, Dec. 17, Charli xcx made a surprise appearance at the "Birds of a Feather" hitmaker's Los Angeles concert at the Kia Forum.

Billie Eilish surprised fans with Charli XCX on Tuesday to deliver the live debut of their “Guess” (Remix) in Los Angeles at the Kia Forum. On the third of five nights at the arena for Eilish ...

Today happens to be Billie Eilish’s birthday ... more or less — and she performed the “Guess” remix with Charli XCX for the first time. Charli and Billie released the delightfully trashy ...

Credit: Terrance O'Connor As well as achieving huge success with her own album, Hit Me Hard And Soft, Billie Eilish also scored a big hit this year with her guest spot on the remix of Charli XCX ...

Billie Eilish brought out Charli XCX to perform their ‘Guess’ remix at her show in Los Angeles last night (December 17). Watch the footage below. The ‘Hit Me Hard And Soft’ singer ...

Charli XCX, Kim Kardashian and more celebs spotted Billie Eilish, Charli XCX at the Hit Me Hard and Soft Tour at Kia Forum on Dec. 17. Christopher Polk/Billboard/Getty Images The stars were out in ...