Cook the cake mixes seperated according to package directions. Add half the whiskey to your cake mixes before cooking. Cool cakes to room temperature. Trim off a little of the top of cakes and trim off the sides to make level square cakes.
Icing your chocolate cake on a cake plate first then place your white cake on top chocolate cake icing your top cake with white icing.
Sprinkle all over the double cake with multi color confetti. Serve when ready.