Tropical Peach Pineapple Slushies

diced peaches (freeze before blending)

diced pineapple (freeze before blending)

shots Malibu Rum

shots pineapple vodka (regular vodka or your favorite flavored vodka may be substituted)

shots peach schnapps

grenadine for drizzling, optional

maraschino cherries for garnishing, optional