This low calorie pineapple juice and vodka cocktail recipe is just 129 calories!You can make this fresh pineapple vodka cocktail with fresh or frozen pineapple. All you need is a blender to make a healthy, low calorie cocktail that's refreshing and delicious.Best of all, pineapple and lime juice (both in this recipe) are metabolism boosting... So this skinny cocktail is a healthy option if you are going to drink.