In small bowl, beat cream cheese, sugar and 1/2 teaspoon vanilla with electric mixer on medium speed until smooth and creamy. Spread mixture over cooled crust. Arrange fruit over cream cheese. Stir or beat jelly with whisk until smooth; spoon or brush over fruit. Refrigerate until chilled, at least 1 hour. To serve, run a knife around edge to loosen. Cut into 6x4 rows. Cover and refrigerate any remaining pizza.