The Kir Royale is a classic French cocktail that is widely enjoyed in Paris. It is made with crème de cassis, a blackcurrant liqueur, and champagne. The combination of the sweet liqueur and the bubbly champagne creates a sophisticated and elegant drink. The Kir Royale is often served in a flute glass and garnished with a blackberry or a lemon twist. It is a popular choice for special occasions and celebrations in Paris.