Billie Eilish has hinted at a mysterious new collaboration with Avatar director James Cameron. While performing at Co-op Live in Manchester on July 19, Billie revealed the show was being filmed for a “very, very special” 3D project with Cameron. Though she didn’t share details, she confirmed more filming will continue across her upcoming shows at the venue. Cameron was seen in the audience, fueling fan excitement. Billie also recently teased a possible musical collaboration with Ariana Grande during a Q&A, saying, “I would love to do that.” Big things are clearly brewing.