Popsugar Beauty Hairstyles Best Celebrity Hair Transformations of 2019 These Are the Hands-Down Best Celebrity Hair Transformations of 2019 19 November 2019 by Jesa Marie Calaor View On One Page Photo 16 of 19 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 16 Bella Hadid's Bright Blonde Hair Bella Hadid flip-flopped between bright blonde and her signature deep brown hair colour in 2019. Previous Next Start Slideshow HairstylesHairCelebrity BeautyHaircutsCelebrity Hair