Billie Eilish, Charli XCX Perform at Kia Forum

Billie Eilish surprised fans during her 'Hit Me Hard And Soft Tour' at the Kia Forum in Los Angeles by inviting Charli XCX on stage to perform their Grammy-nominated 'Guess' remix. The performance, marked by vibrant green lasers, took place on the eve of Eilish's 23rd birthday, creating an electrifying atmosphere that thrilled the audience. Eilish and XCX's collaboration has gained significant acclaim, including a nomination for Best Pop Duo/Group Performance at the upcoming 2025 Grammy Awards. Following the show, Charli posted a heartfelt birthday message for Eilish on social media. Both artists are experiencing a successful year, with 'Guess' having amassed over 500 million streams on Spotify and climbing the Billboard charts. The duo's vibrant performance exemplified their dynamic chemistry and commitment to raising awareness for social issues, as they previously donated items from their music video to charity.