Chocolate Kahlua Cupcakes - Cupcake Fanatic

Ingredients

• 2 cups sugar
• 1-3/4 cups all-purpose flour
• ¾ cup cocoa powder
• 2 teaspoons baking soda
• 1 teaspoon baking powder
• 1 teaspoon salt
• 2 eggs
• 1 cup buttermilk
• ¾ cup coffee
• ¼ cup kahlua
• ½ cup vegetable oil
• 1 teaspoon vanilla extract
• ⅔ cup unsweetened cocoa powder
• 6 tbsp hot water
• 2 tbsp kahlua
• ½ cup butter, softened
• 4 cups powdered