Margarita Pie II

½ (12 ounce) can frozen limeade concentrate, thawed

1 (14 ounce) can sweetened condensed milk

2 tablespoons tequila

1 tablespoon triple sec

½ (8 ounce) container frozen whipped topping, thawed

1 (9 inch) prepared shortbread pie crust

Whisk together the limeade concentrate, milk, tequila, and triple sec in a bowl. Fold in the whipped topping, and pour into the prepared pie crust. Freeze until firm, at least 2 hours.