Have your cake and eat it too in this officially licensed Adventure Time Fionna adult womens costume. The dark blue skirt with light blue top comes complete with white knee socks, light acid green fleece backpack and a white fleece hat with tabs and stand-up ears.
Complete your radi-cool Fionna costume with this officially licensed Adventure Time Fionna Hat with Ears. Without the familiar headpiece how will everyone know you're supposed to be? Get mathematical this Halloween!
Defeat the evil Ice Queen and steal Prince Gumball's heart in this officially licensed Adventure Time Fionna Child Costume. White character hat, classic character dress, backpack and socks are included so you'll be ready for adventuring.