Wash strawberries and blueberries and pat dry with a paper towel
dice strawberries into small pieces and sit aside
in a large bowl, combine cream cheese, powdered sugar, vanilla and 8 oz cool whip. Beat with a hand mixer until smooth and creamy. Fold in the remaining cool whip. Fold in the mini marshmallows, strawberries and blueberries.
Transfer into a serving bowl and then garnish with more blueberries and diced strawberries.