Why Billie Eilish and Finneas Didn't Make a Cameo in 'Barbie' & If They'd Star in a Possible Sequel

Billie Eilish and Finneas O’Connell chat with ET's Denny Directo at the 35th Annual Palm Springs International Film Festival Awards Gala. The siblings react to receiving the Chairman's Award at the event, becoming the first songwriters to do so. Plus, they share why they didn't make cameo appearances in 'Barbie' after writing their song, 'What Was I Made For,' for the film and if they'd be open to starring in a potential sequel.