Pineapple Cream Pie

1 14-oz can sweetened condensed milk
1 20-oz can crushed pineapple
2 Tablespoons lemon juice
1 12-oz container of cool whip

1. Combine these ingredients by mixing well. Do not whip.
2. Fill 2 graham cracker crust pie shells, then sprinkle with coconut.
3. Chill for 24 hours.