1 (16 oz.) carton sour cream
2 c. sugar
2 (12 oz.) pkg. shredded coconut
1 pkg. devils food cake mix
Chocolate icing

Combine sour cream and sugar in bowl; mix well. Stir in coconut. Chill overnight. Prepare and bake cake mix using package directions for 2 layer cake. Split each layer into 2 layers. Spread coconut mixture between layers and on top of cake. Spread icing on sides of cake.