Prepare both cake mixes according to box instructions. Use the coconut milk instead of water. Bake in greased 4-9in round baking pans. Bake 350F for 25 minutes or until wooden pick comes out clean.
Remove cakes from oven and cool for 10 minutes. Remove from pans and cool completely.
In a medium mixing bowl whip the 3 cans of vanilla frosting. Frost cake. To decorate sprinkle cake with coconut all around. Chop candy bars in bite size pieces and spread all around cake. Melt chocolate chips with a little shortening in the microwave. Drizzle all over cake.