Easy Fourth of July Cake

1 pkg. white cake mix
1 (8 oz.) nondairy whipped topping
1 c. blueberries (1/2 pt.)
3 pt. strawberries, halved quartered

Prepare and bake cake in square pan. Cool. Frost cake with nondairy topping. Take blueberries for the stars and make 7 strips of strawberries for the stripes.