Unicorns are all the rage right now, and this cake is a magical way to celebrate a birthday. The cake is shaped like a unicorn's head, complete with a golden horn and colorful mane. It's decorated with pastel-colored icing, edible glitter, and fondant flowers. The inside of the cake can be a rainbow of flavors, with each layer dyed a different color. This cake is sure to make any birthday girl feel like she's in a fairy tale.