Place cream cheese in a large bowl. Using an electric mixer, mix the cream cheese on a high speed until it is smooth.
Add powdered sugar, sour cream, International Delight Creamer, heavy cream and vanilla extract. Mix until combined.
Fold in peanut butter and divided peanut butter cups. Mix until combined.
Take crust out of the freezer and add peanut butter filling. Spread the filling evenly over the crust.
Place in the fridge for at least 45 minutes.