Billie Eilish celebrated her 23rd birthday a day early on Tuesday (Dec. 17) at the Kia Forum in Los Angeles when she invited Charli XCX up on stage for a surprise collaboration on their "Guess" remix.

Charli xcx Joins Billie Eilish for Live Debut of Their ‘Guess’ Remix at L.A. Show On Tuesday, Dec. 17, the pair performed the Grammy-nominated 'Brat' track at Eilish's Kia Forum concert By ...

Billie Eilish sold out Madison Square Garden. Kevin Mazur/Getty Images for Live Nation Madonna was spotted at Billie Eilish’s sold-out show at Madison Square Garden with her rumored boyfriend ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Kevin Mazur/Getty Images for Live Nation Billie Eilish’s Hit Me Hard And Soft tour ...

Billie Eilish performed hits such as "Bad Guy," "Everything I Wanted" and "Birds of a Feather" at MSG. Kevin Mazur/Getty Images for Live Nation Billie Eilish did indeed seem to have everything she ...

The New York Post saw Billie Eilish at NYC's Madison Square Garden as part of her ongoing 'Hit Me Hard and Soft' tour. Here's what it was like to see her live with her special guest Finneas O'Connell.

It will be a show with EVERYTHING you wanted + more. Don't miss it! Fiske’s mind-melting Liquid Sky is a musical, all-you-can-eat eye candy buffet. The beats & rhythms of your favorite artists coupled ...

With 16 days left until the 2024 Presidential election, tonight’s Saturday Night Live host Michael Keaton and musical guest Billie Eilish used their appearances on the NBC sketch show to get out ...

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.