1 box yellow cake mix
1 can pina colada mix
1 can sweetened condensed milk
1 lg. Cool Whip
Shredded frozen coconut

Bake in 9 x 13 inch pan according to directions on box. When done, cool in pan. Punch holes in cake with toothpick and drizzle pina colada and sweetened condensed milk all over cake. Spread top with Cool Whip and top with coconut. Refrigerate.