Here is a diabetic punch you might like to try for the occasion.

Diabetic Punch

Two 2 litre bottles of diet sprite or 7 up
Two 46 oz cans of chilled unsweetened pineapple juice
Two pkg. of sugar free drink mix

Stir and combine all ingredients. Pour in punch bowl over ice and serve. If you want to serve it as an alcoholic punch, you may add vodka before serving.