In a blender combine blueberries, 2 scoops of ice cream and a splash of milk. Blend until smooth. Add more milk if too thick.
Pour into two separate glasses. (I used champagne flutes which worked well, but any should do.)
Freeze for about 10 minutes.
Add 2 scoops of vanilla and 1 splash of milk to blender and blend until smooth. Adjust milk if needed and then pour evenly on top of blueberry layer. Freeze for 10 minutes.
Combine 2 scoops of ice cream and splash of milk along with strawberries to blender and blend until smooth. Pour on top of vanilla layer. Add whipped topping to garnish, admire your beautiful work and then get to sipping!