1 Duncan Hines Orange Cake mix baked according to directions. Poke holes in cake after baked. 

1 package orange Jello mixed with 1 cup boiling water. Add ½ cup cold water. Dissolve and pour over cake. Refrigerate until cooled completely. 

Topping
1 package instant vanilla pudding 
1 package orange Jello 
1 cup cold milk 

Beat until thickened. Add 2 teaspoons vanilla. Fold in an 8 ounce container of cool whip and spread on cooled cake.