Billie Eilish ... I had this teal hair. But over the last couple of years, I’ve just been like: ‘Wait, blue is so who I am at my core.’” Now, Eilish is donning black hair for the rollout ...

Billie Eilish said being "obsessed" with the one-size clothing brand Brandy Melville led her to develop a "whole world of body problems" during her tween years.