1. 1. In a large bowl, mix together the sweetened condensed milk and evaporated milk until well combined.

2. 2. Fold in the frozen whipped topping until smooth.

3. 3. Gently stir in the chopped pineapple.

4. 4. Pour the mixture into a graham cracker crust.

5. 5. Chill in the refrigerator for at least 4 hours before serving.