Popsugar Beauty Demi Lovato Demi Lovato’s Dip-Dyed Green Hair Color on Instagram Judging by Demi Lovato's New Neon Green Hair, She's Taking Tips From Billie Eilish September 13, 2019 by Tori Crowther First Published: September 12, 2019 View On One Page Photo 1 of 2 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Demi Lovato With Neon Green Hair Previous Next Start Slideshow Demi LovatoCelebrity HairHairHair Color