In large bowl, beat remaining 1/4 cup powdered sugar and the cream cheese with electric mixer on medium speed until smooth. Beat in liqueur. In small microwavable bowl, microwave chocolate chips on Medium (50%) 1 minute; stir. Microwave 30 to 40 seconds longer; stir until smooth. Beat melted chocolate into cream cheese mixture with electric mixer on low speed. Add mocha cappuccino hazelnut spread; beat on medium speed until blended.