1 (1.5 fluid ounce) jigger Campari
1/2 fluid ounce grapefruit juice
1/2 fluid ounce grenadine syrup
1 1/2 fluid ounces pineapple juice
3 fluid ounces prepared lemonade
In a mixing glass combine the Campari, grapefruit juice, grenadine and pineapple juice. Stir or shake to mix and pour into an ice filled glass. Top with lemonade.