Shop Fierce Costumes' Teen Girl TV & Movie costumes. Which character do you want to be? You could go with something cute and classic with our Miss Minnie Mouse costume. If you're looking for something a little more popular, try out our Hermione costume from Harry Potter! Or you could go nostalgic in our Wilma Flintstone costume. So many choices! Our Teen Girl costumes are perfect for any teen Halloween, event or photo opportunity. Make it a night to remember with a Fierce Costume.