In a cocktail shaker, combine Hennessy, pineapple juice, lemon juice, and simple syrup.
Fill the shaker with ice and shake vigorously for about 15-20 seconds.
Strain the mixture into a glass filled with fresh ice cubes.
Garnish with fresh pineapple chunks, a slice of lemon, and mint leaves (if desired).
Serve and enjoy this refreshing tropical twist on a classic!