Green Grape Salad

This is so easy and so yummy!
Green Grape Salad
4 pounds seedless green, or red grapes (or you can use half of each)
1 (8 ounce) package cream cheese (softened)
1 (8 ounce) container sour cream
1/3 cup white sugar
1 tsp. vanilla extract
4 ounces chopped pecans, or walnuts
2 level tablespoons brown sugar

Wash and dry grapes. In a large bowl, mix together the cream cheese, sour cream, sugar and vanilla. Fold in grapes, mixing until evenly distributed. Sprinkle with brown sugar and pecans, mix thoroughly and refrigerate until serving at least 15 minutes and preferably 3 hours