Billie Eilish Supports James Cameron at 'Avatar 3' Premiere After Co-Directing Her Upcoming 3D Concert Movie

Billie Eilish is not involved with Avatar: Fire and Ash, but she stepped out to attend the world premiere event to support her friend James Cameron!

The Oscar and Grammy-winning entertainer posed with James and his wife Suzy on the red carpet at the premiere on Monday (December 1) at the Dolby Theatre in Hollywood.

Billie was joined at the event by her brother, Finneas O’Connell.

If you didn’t know, Billie has collaborated with James on the Hit Me Hard and Soft: The Tour (Live in 3D) concert movie, which they co-directed. The film will be released in theaters on March 20, 2026.

Billie wrote on Instagram last week, “this has been one of my favorite tours everrrrrr and being able to capture it and co-direct this film with @jamescameronofficial has truly been a dream come true. can’t wait for you all to see it :’)🎥⭐️🤭💙”

Another music star was in attendance at the premiere as well!

Browse through the gallery for more photos from the premiere…