ADD boiling water to gelatin mixes in large bowl; stir with whisk 2 min. until completely dissolved. Stir in tequila and 2 Tbsp. lime juice. Add COOL WHIP and 1 tsp. lime zest; stir until COOL WHIP is completely melted and mixture is well blended.
POUR into 8-inch square pan.
REFRIGERATE 3 hours or until firm. Cut into 36 pieces to serve.