Shake NAVAN and fruit purée in a cocktail shaker with ice.
Pour mixture into a Champagne flute.
Top with Champagne and garnish with a few pomegranate seeds.
Variations: Substitute the pomegranate purée with any fruit purée you prefer-blood orange, black currant, fig, pear-simply add NAVAN, and you have a custom cocktail. For truly effortless entertaining, invite guests to choose their own purées, shake and top with bubbles.