Orange slices, for garnish
1/4 cup sugar, for rimming champagne flutes
1 cup orange juice
1 tbsp. heavy cream
1 bottle champagne, prosecco, or cava
Rim champagne flutes with an orange slice and dip in sugar. Set aside.
In a tall glass, stir together orange juice and heavy cream until combined. Pour into champagne flutes and top off with champagne.
Garnish with orange wedge.