Friday's Happy Hour Drink: Watermelon Margarita

I love this fruity drink, it's not too sweet. I found the recipe on the Domino magazine website and tried it one hot weekend.Watermelon MargaritaIngredients:3 cups seedless-watermelon chunks (about 1 lb. peeled watermelon)1 1/2 cups fresh lime juice1/2 cup sugar (or less, to taste)1 cup tequila1/2 cup Grand MarnierDirections:1. Combine watermelon, lime juice and sugar in a blender, and blend on