This is Fionna's main look, and the one which is most recognisable. However, with her hat and blonde hair, you can dress in a variety of different ways:
Fionna is quite a simple cosplay, as you can probably find her socks, shoes, t-shirt and skirt in shops local to you. However, the hat is quite important. Without it, most people will be unsure as to who you are cosplaying. If you don't have the hat, then her backpack/sword will help you to look more like her:
So let's take a look at some Fionna cosplays:
