1 box Duncan Hines butter cake mix

ICING:

1 (1 lb.) box confectioners' sugar (might take a little more)
1 (8 oz.) carton sour cream
2 pkgs. frozen coconut

CAKE: Make according to directions on box. Cool and split layers with thread to make 4 layers.

ICING: Put 1 package of coconut in icing, when mixing ingredients. Use other package on cake after icing.