Billie Eilish and Finneas O'Connell Become Youngest Two-Time Oscar Winners

Siblings, Billie Eilish and Finneas O'Connell became the youngest two-time Academy Award winners when they took home the Oscar for Best Original Song for 'What Was I Made For?'

From Barbie .

Elish, 22 gave her advice for aspiring artists in the press room after her win for the song, which she performed earlier in the evening.