1 Duncan Hines butter cake mix
1 (8 oz.) pkg. cream cheese, softened
1 (8 oz.) Cool Whip, thawed
1 box confectioners' sugar, sifted
1 tsp. vanilla
1 can blueberry pie filling

Make cake according to box directions (substituting milk for water). Make 3 layers.

Mix cream cheese, Cool Whip, sugar and vanilla together. Ice each layer and put 1/3 of blueberries on top of each layer.