Guess the Greatest Billie Party will take place at The Starlet Room in Sacramento on July 12, 2025. This themed event is likely a celebration of Billie Eilish’s music and influence, featuring a night of hits, remixes, and tributes to the pop sensation. Expect an immersive party atmosphere with DJ sets, themed decorations, and a crowd celebrating all things Billie Eilish. It’s a great opportunity for fans to enjoy an energetic, music-filled night dedicated to one of pop’s biggest stars.