Blueberry Gelatin Salad

2 (3 ounce) packages grape flavored gelatin mix

2 cups boiling water

1 (8 ounce) can crushed pineapple, undrained

1 (21 ounce) can blueberry pie filling  

Topping:

1 (8 ounce) package cream cheese, softened

1 cup sour cream

1/2 cup white sugar

1 teaspoon vanilla extract

In a large bowl, mix together gelatin powder, boiling water, pineapple and pie filling. Pour into a mold, or glass baking dish, and refrigerate until set, at least 2 hours. In a medium bowl, mix together the cream cheese, sour cream, sugar and vanilla until smooth. Spread over the top of the gelatin. If using a mold, unmold the gelatin before applying topping.