Scribbled Underline

– 2 pounds green seedless grapes (about 4 cups) – 2 pounds red seedless grapes (about 4 cups) – 8 oz. cream cheese softened – 1 cup sour cream can substitute plain greek yogurt – ⅓ cup granulated sugar – 2 teaspoons vanilla extract – 1-2 tablespoons light brown sugar – ¼ cup chopped pecans toasted are preferred