"Guess" is a song that Charli XCX and Billie Eilish collaborated on, which surfaced in late 2023. The track was not officially released but leaked online, leading to significant attention from fans of both artists.
The song has a catchy, upbeat production, featuring Charli XCX's signature pop style, combined with Billie Eilish's distinct vocals and moody vibe. Fans have been excited about this unexpected collaboration, as both artists have been known for their unique and genre-defying contributions to music.