Popsugar Beauty Beauty Trends Rainbow Undercut Inspiration Rainbow Undercuts Are the Most Badass Festival Hairstyle of All May 5, 2018 by Tori Crowther First Published: April 30, 2018 View On One Page Photo 6 of 13 ADVERTISEMENT () Start Slideshow A post shared by Nikki Gallimore (@salonshades) on Nov 11, 2017 at 12:55pm PST Share This Link Copy ← Use Arrow Keys → 6 Previous Next Start Slideshow Beauty TrendsHairHair TrendsHair ColorFestival Beauty