Billie Eilish describes her evolving relationship with her older songs, as she joins her co-director James Cameron at the Los Angeles launch of "Billie Eilish — Hit Me Hard and Soft: The Tour (Live in

In 2021, at the tender age of 19, singer Billie Eilish was already the subject of a documentary, The World’s a Little Blurry. At that point, she had only released one album, so the film threatened to feel too early for such treatment.

The pop superstar teamed up with James Cameron to create a concert movie that, playing with shiny camera technology, reinvigorates the concert experience.