Combine first five ingredients in a mixing glass. Shake with ice and strain into a coupe glass. Top with sparkling wine. Squeeze the oils from a wide strip of grapefruit peel across the surface of the drink, and garnish the drink with the peel.
All drink recipes within this site contain no more than 0.6 fl. oz. (14 grams) of alcohol per serving, equivalent to one standard U.S. drink. For more information on alcohol content, please visit http://www.drinkiq.com