Popsugar Beauty Hair Katy Perry Hair Colour Transformation 44 Photos Proving How Much Katy Perry's Hair Has Changed in 15 Years 26 April 2019 by Tori Crowther View On One Page Photo 3 of 45 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 2008 Previous Next Start Slideshow HairCelebrity BeautyCelebrity Beauty InstagramHair ColourCelebrity HairKaty Perry