Popsugar Beauty Billie Eilish Billie Eilish's Best Hair Colors Over the Years Billie Eilish Is the Hair Color Icon We Didn't Know We Needed March 17, 2021 by Jesa Marie Calaor View On One Page Photo 7 of 11 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by BILLIE EILISH (@wherearetheavocados) on Mar 16, 2019 at 5:54pm PDT Share This Link Copy ← Use Arrow Keys → 7 Billie Eilish With Black Hair Eilish debuted black hair at the 2019 iHeartRadio Awards. Previous Next Start Slideshow Billie EilishCelebrity HairHairHair Color