Pre-heat your oven to 350 degrees. In a bowl, combine cream cheese, sour cream, 1/2 cup of the parmesan cheese, and 1/2 cup of the mozzarella cheese.
Mix until mixture is light in fluffy.
Spread in the bottom of a pie pan, then top with 1 cup of pizza sauce.
On top of the sauce, add remaining 1/2 cup of Parmesan cheese and 1 1/2 cups mozzarella cheese.
Top with your favorite pizza toppings
Bake in the oven for 20 minutes or until the dip is warm and bubbly.
Serve immediately!