Preheat the oven to 350 degrees Fahrenheit and line 2 cupcake pans with liners.
In a large mix bowl, stir together the cake mix, water, vegetable oil and eggs.
Pour the batter into the cupcake liners, filling them approximately ¾ full.
Bake for 18-21 minutes until a toothpick inserted into the cupcakes comes out clean.
Cool completely on wire racks.
For the Frosting:
Cream together the butter and powdered sugar until combined and smooth.
Add in the milk and vanilla extract and mix for 1-2 minutes until the frosting is light and fluffy.
Frosting each of the cupcakes:
For the Decorations:
Place the chocolate chi9ps and shortening in a microwave safe bowl. Heat in 30 second intervals, stirring after each interval, until fully melted.
Move the mixture into a piping bag or a ziplock bag with a corner cut off one end of the bag.
Pipe 3 circles of the melted chocolate onto each frosted cupcake. Then start at the center of the with a toothpick draw 5-6 times through the circles to the outside edge of the cupcakes to make a spider web design.
Continue this process until all the cupcakes are prepared.
Let sit until the chocolate re-hardens. Then the cupcakes are ready to serve and enjoy!
Notes
Refrigerate the leftover cupcakes in an airtight container for up to 3-4 days.