Angel Food Cake Surprise

1 small box vanilla instant pudding
1 (16 ounce) can crushed pineapple, undrained
1 (12 ounce) container Cool Whip
1 angel food cake

Combine dry instant pudding mix with crushed pineapple. Refrigerate overnight.

Fold Cool Whip into pudding/pineapple mixture. Cut angel food cake in half horizontally. Frost angel food cake as you would a layer cake with pudding/pineapple/Cool Whip mixture.