Place cubes in a large bowl. Sprinkle with liqueur and let stand for 30 minutes. In medium bowl combine confectioners sugar and cream cheese, beat until well blended. Reserve 2 Tbsp. whipped topping. Fold remaining topping into cheese mixture. Stir topping mixture and pecans into cake cubes. Spoon cake mixture into trifle dish or deep salad bowl. Spread cherry filling over top or alternate layers with cherries. Put 2 Tbsp. whipped topping on top. Chill at least 3 hours.