Cinnamon Buttercream Cupcakes - Cupcake Fanatic

Ingredients

• 1 package (18 1/4 ounces) yellow cake mix
• 1 package (4-serving size) vanilla instant pudding mix
• 1 cup milk
• 1/2 cup canola oil
• 4 eggs
• 1 tablespoon cinnamon
• 2 teaspoons vanilla extract
• Cinnamon Buttercream:
• 1 cup (2 sticks) butter, softened
• 1 teaspoon vanilla extract
• 2 cups powdered sugar
• 3 tablespoons heavy cream