Popsugar Beauty Celebrity Hair Demi Lovato's Hair Color Evolution Demi Lovato Ditched Brunette Hair For a Teal-Blue Hue October 6, 2014 by Marina Liao View On One Page Photo 8 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 December 2013 This particular blue-green ombré look reminds us of the sea. Previous Next Start Slideshow Demi LovatoInstagramCelebrity HairHairHair Color