1/3 cup frozen orange juice concentrate, thawed and undiluted
1/4 cup frozen lemonade concentrate, thawed and undiluted
1 (750-milliliter) bottle dry white wine, chilled
1 (750-milliliter) bottle champagne, chilled
Stir together all ingredients. Serve immediately over ice.
NOTE: For testing purposes only, we used Riesling for dry white wine.