Unicorn Birthday Cake : Rosie Alyea | Sweetapolita on Instagram: “Dreamy, dreamy! Prettiest pastel cake from @biskvit_rzn! 💜 #cake #pastel #instacake #instagood #baking #cakedecorating” By Luana - December 31, 2019 0 1883 Unicorn Birthday Cake : Image : Description A pastel cake like this would be perfect for a unicorn themed birthday party! Love the pastel colors