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 9 of 11 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by BILLIE EILISH (@billieeilish) on Jul 6, 2019 at 8:41pm PDT Share This Link Copy ← Use Arrow Keys → 9 Billie Eilish With Neon Green Roots Eilish revealed a monochromatic beauty look on her Instagram that was complete with new neon green roots in July 2019. Previous Next Start Slideshow Billie EilishCelebrity HairHairHair Color