Preheat oven to 350°F
Prepare cake mix following package instructions
Pour into greased 9x13 inch pan
Bake cake following package instructions then let cool
When cooled, blend together strawberries and juice
Poke holes in cake using wooden spoon or spatula handle then spoon strawberry mixture evenly over the top of the cake
Let mixture soak in holes then prepare frosting
Combine milk and pudding mix and whisk together until combined and smooth
Add cool whip and stir well until combined
Spread mixture over top of cake
Refrigerate for at least 4 hours