Billie Eilish quotes and aphorisms about things Billie Eilish Billie Eilish ,, 'Bellyache' is totally fictional. I like writing about things that aren't real. The song is about n... Billie Eilish Billie Eilish Billie Eilish Billie Eilish Billie Eilish Billie Eilish Billie Eilish ,, Being an artist doesn't just mean you have a song. That doesn't make you an artist. The word 'artis... Billie Eilish