Billie Eilish & Brother Finneas O’Connell Tease New ‘Barbie’ Song

Billie Eilish and Finneas O’Connell are big fans of Barbie! While chatting with Access Hollywood at the premiere of “Barbie,” the musicians share why they wanted to make a song for the flick. The siblings also praise director Greta Gerwig and say that the movie is “life changing.” Plus, Billie reacts to a throwback photo of herself from a Barbie-themed birthday party. “Barbie” hits theaters July 21.