Preheat oven to 350 degree. Spray a 13"x9" glass baking dish w/ cooking spray. Next spread both cans of cherry pie filling in dish. Sprinkle Dry cake mix over the top of cherry pie filling evenly. Drizzle melted butter over dry cake mix. Bake in 350 degree oven for 15-20 min.dessert is done when cake mix is set and pie filling is bubbling around the edges. Remove from oven let cool. While dessert is cooling, mix confectioners sugar,milk, and vanilla in small bowl.After dessert has cooled for 5-10 min. drizzle glaze over the top. Enjoy warm w/ vanilla icecream!!!