Who's That Girl is the beauty brand made just for you. Now you can follow the hottest trends and create fun looks just like your favorite beauty stars with the Who's That Girl cosmetics! From glitter nails to color shift hair to mood lips and more, Who's That Girl allows you to create beauty looks that express your personality. Mix and match all our products to create a head-turning style all your own, making everyone around you want to know – who's that girl? Stand out from the crowd with this hair chalk that changes color! Who’s That Girl Color Shift Hair- Blue Bliss is a special hair chalk that not only colors your hair, it changes color with the heat of your hands again and again. See your hair magically shift from one stunning color to another. Then step out into the sun to watch it change to a different vibrant shade. Mix and match all the colors to update your style on the daily. Try it on yourself and your Who’s That Girl- Dollface. Color-changing hair chalk and brush included!