Crush sugar cookies, mix with melted butter, press into a 9×9-inch pan, and chill 15 minutes.
Beat cream cheese until smooth.
Add powdered sugar and vanilla; beat until combined.
Whip heavy cream with sugar until stiff peaks form.
Fold whipped cream into cream cheese mixture.
Fold in chopped cookie pieces.
Spread filling over chilled crust.
Top with red and green sprinkles.
Refrigerate at least 4 hours or overnight.
Cut into squares and serve chilled.