Popsugar Beauty Celebrity Beauty Gwen Stefani's Beauty Evolution A Look Back At All of Gwen Stefani's Beauty Looks October 3, 2014 by Emily Orofino View On One Page Photo 6 of 23 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 2000 And here's the pink hair that launched a thousand teen-girl imitations. Previous Next Start Slideshow Gwen StefaniCelebrity Beauty