Take a large mixing glass and add pineapple pieces in it along with ½ ounce of Cointreau and then muddle them together.
Now take half ounce of vodka and 1 ounce of fresh pineapple juice and add it to the mixing glass.
Take a stirrer and stir all of the contents thoroughly until the drink becomes smoothie.
Take a cocktail glass and and get the drink in it.
Now top up the drink with a sprinkle of Champaign.
Garnish the drink with maraschino cherry and serve chilled. You can garnish it with just anything else, depending upon your or partner's choice!