Popsugar Beauty Hair BTS's Best Hair Colours Over the Years If You Ever Need Hair-Colour Inspiration, Look No Further Than BTS 29 October 2021 by Hedy Phillips View On One Page Photo 15 of 31 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 15 RM's Purple Hair Colour in 2018 For a 2018 award show, RM rolled up with bright-purple hair. Previous Next Start Slideshow HairHair ColorBTS