She uses ropes of rainbow fondant to create the unicorn's rainbow locks and blue gum paste to make her wings. This unicorn is ready to fly and would be such a magical surprise for any birthday party.

Cute printable rainbow party hats for kids birthday parties and school events are available from TwoFish, designer of cute party hats that make people smile. SAN FRANCISCO, CALIFORNIA, UNITED ...

5. Let cakes cool completely before frosting. Start with purple layer on the bottom and frost the top of each layer, stacking in rainbow order. Then frost on the sides and top of cake.

The TomKat Studio Rainbow Sprinkles Kim dressed up her cupcakes with rainbow-colored, polka-dot cupcake wrappers from The TomKat Studio's shop and rainbow heart flags from her printable collection.

Now for the best part: it's filled with super creamy, light-as-air rainbow mascarpone frosting. The result is a croissant and birthday cake mashup that's a childhood dream come true.