1 1/4 oz of Grey Goose vodka (or Vodka)
1 1/4 oz of Hpnotiq liqueur
1 splash of brut Champagne (or Champagne)
Pour the Grey Goose vodka and Hpnotiq liqueur into a cocktail shaker 1/4 filled with ice cubes. Shake well and pour into a martini glass. Top with a generous splash of champagne, and serve.