Zippy Pomegranate Prosecco

8 sugar cubes
1 c. pomegranate liqueur
2 (750-milliliter) bottles Prosecco
Pomegranate seeds, garnish

1. Put 1 sugar cube in each of 8 Champagne flutes.
2. Add 2 T. liqueur to each glass.
3. Fill glasses with Prosecco (about ¾ c.).
4. Garnish with seeds, if desired.