Confetti Birthday Bundt

1 box Betty Crocker Party Rainbow Chip Cake Mix

1 cup butter, melted

4 large eggs

1 cup buttermilk

1 regular size Jello vanilla instant pudding

sprinkles for decorating

Combine mix with other ingredients and beat until combined.  Pour into greased bundt pan and bake until tester comes out clean, 35-45 minutes.  Cool

Turn cake out onto a cake stand or plate.  Pipe buttercream icing in large dots around the crown and base of cake.  Decorate icing with colorful sprinkles

Buttercream Icing

3 3/4 cups powdered sugar

4 T milk or cream

2 tsp vanilla

Beat icing ingredients together until smooth.  Add more liquid or sugar to adjust consistency