Triple Berry Dessert

2 small triple berry sugar free Jello
1 16 ounce can crushed pineapple
1 can reduced calorie, blueberry pie filling
1 8 ounce Cool Whip Lite

Drain juice from pineapple into saucepan. Add 1/2 cup water. Bring to boil. Add Jello and dissolve. Add pineapple and pie filling; stir well. Pour into glass dish and refrigerate. Spread Cool Whip on top about 1 hour before serving.