1 (16 oz.) tub Cool Whip
1/2 (12 oz.) can pink lemonade
1 (14 oz.) can Eagle Brand sweetened condensed milk
1 prepared Graham cracker crust

Mix lemonade and condensed milk together until well mixed. Fold in Cool Whip until well blended. Pour into graham cracker crust (pie will be heaped high). Chill at least one hour. Garnish with sliced lemon, if desired.