Banana Hurricane

1 1/2 oz banana liqueur
1 1/2 oz Malibu coconut rum
1 splash grenadine syrup
2 - 3 oz 7-Up soda
2 - 3 oz pineapple juice

Shake banana liqueur and coconut rum in a shaker with ice. Strain into a parfait glass. Fill the glass with equal amounts of 7-up and pineapple juice. Add a ring of grenadine around the top and serve.