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 9 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 November 2013 We're guessing blue is one of Demi's favorite hair colors, because she has worn it so many different times and in so many different shades. Previous Next Start Slideshow Demi LovatoInstagramCelebrity HairHairHair Color