MoCo Melon

1 oz Stoli Strasberi vodka
1 oz DeKuyper Watermelon Pucker schnapps
1/2 oz Midori melon liqueur
4 oz 7-Up soda
1/2 oz sweet and sour mix

Shake all ingredients except Midori in a cocktail shaker with ice. Pour into glass and float Midori on top.