Heat oven to 350°F.
Spray or grease a 9"x13" baking dish.
In a large mixing bowl combine the cake mix, vegetable oil, water, and eggs.
Use a mixer and beat for about 2 minutes until all is well combined.
Fold in the diced strawberries.
Pour batter into a sprayed 9"x13" baking dish.
Bake according to the package at 350°F for about 25-28 minutes.
Make lemon pudding by combining the cold milk with the packet and whisk until thick.
Let the cake cool completely and then poke holes in the cake with the end of a small wooden spoon.
Pour the lemon pudding over the cake and spread evenly.
Remove foil and cap of the lemon frosting and microwave for about 20-25 seconds just until pourable (making sure not to over heat). Stir and pour over the cake. Spread with spatula to cover the entire cake.
Top with the additional diced strawberries.