drain pineapple (keep 2 tbsp juice)

place pineapple, lemon juice, lime juice, sugar and reserved pineapple juice in blender

cover and blend until smooth

pour into two 1 quart freezer bags

store flat in freezer

freeze 1 1/2 hours or until slushy

whip the heavy whipping cream

in large bowl stir pineapple slush gently into whipped cream until slightly blended

return to freezer until completely frozen, about 1 hour and serve