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 4 of 11 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by BILLIE EILISH (@wherearetheavocados) on Dec 4, 2018 at 9:03pm PST Share This Link Copy ← Use Arrow Keys → 4 Billie Eilish With Seafoam Green Hair in 2018 Even with neon hues on, Eilish's seafoam green hair still stood out in a photo she took in 2018. Previous Next Start Slideshow Billie EilishCelebrity HairHairHair Color