In medium bowl, beat cream cheese and marshmallow creme with electric mixer on medium speed 1 to 2 minutes or until well mixed. Carefully fold in 1/2 cup of the strawberries until well blended. Spread evenly onto cooled crust. Top with remaining 1/2 cup strawberries, the raspberries and blueberries. In small microwavable bowl, microwave hot fudge uncovered on High 15 to 20 seconds or until thin enough to drizzle. Drizzle hot fudge over berries.