Pink Lemonade Margarita

This was from the May 2006 Issue of Coastal Living Magazine. I'm pregnant and can't indulge right now, but I'm posting it here for future reference as it sounds delicious!

• Ready In: 5 mins
• Serves: 1

Ingredients

• 1⁄4 cup  tequila
• 2  tablespoons  orange liqueur
• 2  tablespoons  frozen pink lemonade concentrate
• 3⁄4 cup  ice
• 2  tablespoons  carbonated lemon-lime beverage
•  sliced lemon, for garnish

Directions

1. Combine the first 3 ingredients in a cocktail shaker with 3/4 cup ice and shake vigorously.
2. Pour into glass.
3. Top with lemon-lime beverage, and garnish with lemon.