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 5 of 11 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by BILLIE EILISH (@wherearetheavocados) on Mar 9, 2018 at 6:46pm PST Share This Link Copy ← Use Arrow Keys → 5 Billie Eilish With Smoky Blue Hair in 2018 Eilish's hair was a smoky blue in 2018. Previous Next Start Slideshow Billie EilishCelebrity HairHairHair Color