Filled Angel food Cake Dessert

20 oz. can crushed pineapple in juice, undrained
3.4 oz. pkg. vanilla pudding
1 cup thawed Cool Whip
1 angel food cake
2 cups berries (If using strawberries, cut up) (strawberries and blueberries go well on top.)

Mix pineapple and pudding mix; stir in Cool Whip. Cut cake horizontally into 3 layers. Fill and top layers with filling; cover with mixed berries.