Ice, 1/2 c. Blue Curaçao, 1/4 c. Midori (optional), 1 bottle champagne, 1 1/2 c. pineapple juice, 1 c. light rum, 2 cans seltzer. Pineapple wedges, for garnish. Fill a large punch bowl with ice, then pour over Blue Curaçao and Midori, if using. Top with prosecco, pineapple juice, rum, and seltzer, then add pineapples and cherries. Stir to combine