Lemonade Pie (No Bake)

1 (6 ounce) can frozen lemonade
1 (14 ounce) can sweetened condensed milk
1 (8 ounce) container Cool Whip
1 graham cracker crust (I buy this all ready made)
Directions
1Use mixer and mix all ingredients until fluffy.
2Pour into ready made crust.
3Refrigerate until firm. I let it set overnight.
4This can also be made with limeade and/or chocolate cookie crusts.