Preheat oven to 350 degrees and spray a 9x13 baking dish with pam baking spray
Using a standing mixer, beat the cake mixes, oil, milk and eggs until combined and smooth
Pour the cake batter into the baking dish and bake in the oven for 35-45 minutes or until a toothpick comes out clean
Allow the cake to cool for 20 minutes before poking holes all over the cake
Using a blender, combine the cut strawberries, milk, condensed milk and evaporated milk and blend until smooth
Pour over the cake, making sure to get the milk into the holes on the cake Place into the fridge overnight
Using a cold standing mixer bowl, beat the heavy whipping cream, powdered sugar and vanilla until stiff peaks form
Scoop 1 C whipping cream into the piping bag
Spread remaining whipped cream onto the cake and pipe dollops of whipped cream on the top of the cake
Place the sliced strawberries on the whipped cream dollops
Enjoy!