1/2 oz. Malibu Rum - (more)
1/2 oz. Rum - (more)
1/4 oz. Blue Curacao - (more)
1/4 oz. Grenadine - (more)
Pineapple Juice - (more)
Mix all ingredients except pineapple juice together over ice in a highball glass. Add pineapple juice, stir and serve. Use a fruit garnish, if desired.