Preheat oven to 350°F. Grease a 9-inch square pan and an 8-round pan. Line with parchment paper. Set aside.

Prepare cake mixes according to package instructions. Pour into prepared pans. Bake according to package instructions. Let cool. Place cakes on a cake board. Cut a little rounded piece off of square cake, so you can fit the round cake right next to it (like a head on top of shoulders).

Meanwhile, make the frosting. Place butter in large bowl, beat with an electric mixer on medium for 2 minutes. Turn mixer to low and gradually add sugar. Add cream and vanilla. Turn up to medium and beat for 2 minutes. Reserve 1 ¾ cups of icing, Frost cake with remaining icing. Then color ½ cup lavender, ½ cup peach, 1 tablespoon black, 2 tablespoons blue and leave remaining icing white. Make a face and neck with peach icing. Create a shirt with the lavender. Place remaining white icing in a small ziptop bag. Cut a tiny corner off and write Happy Birthday. Then create the eyes with the rest of the white. Add blue and black. Create hair and glasses with black licorice. Make a smile with red licorice.