Popsugar Beauty Justin Bieber Justin Bieber's Best Hairstyles From "Baby" to Babe: The Evolution of Justin Bieber's Incredible Hair April 4, 2016 by Emily Orofino View On One Page Photo 15 of 21 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 15 2015 Justin tucked his famous locks under a hipstery hat for his appearance at KIIS FM's Wango Tango in 2015. Previous Next Start Slideshow Justin BieberCelebrity HairCelebrity BeautyHairMen's Grooming