Preheat oven to 325°. Divide cake mix into four separate bowls. Add Duff Electric Color Gels to each bowl until desired color is achieved. Add Electric Color Gels to frosting until desired color is achieved. Bake white cupcakes according to Duff cake mix instructions. Let cool completely. Frost with Duff butter cream icing, using Duff gel colors to get the perfect shades. Top with little icing flowers to add the perfect accent.