Fiona from Adventure Time

A woman dressed in a costume inspired by Fiona from Adventure Time, the blue jay princess character. She has blonde hair and is wearing a white headband with bunny ears on top. The costume includes a blue shirt, a green backpack, and a large stuffed animal resembling Jake the Dog, which she is holding in her left hand. Her right arm is bent at the elbow, with her fingers pointing towards her face. In the background, there are blurred images of people walking around, suggesting that this photo was taken at some kind of event or convention where cosplayers gather. The overall impression is one of fun and playfulness, as if she's enjoying herself while posing for the camera.