PREPARE cake batter as directed on package for lower fat recipe. Spoon evenly into 24 paper-lined muffin cups. Bake as directed on package. Cool 10 min.; remove from pans to wire racks. Cool completely.
POUR milk into large bowl. Add dry pudding mix. Beat with wire whisk 2 min. or until well blended. Gently stir in whipped topping.
SPREAD tops of cupcakes with pudding mixture. Arrange 5 of the strawberry slices on top of each cupcake to resemble a star. Fill centres of stars with blueberries. Store in refrigerator.