Stella is a 11 foot tall, slim, white avian demon. Stella has long, hair-like feathers that have gray tips and a large gray stripe on her head. She has a short pink beak, and very long curved eyelashes.

She has gray markings underneath her eyes, which themselves have red sclera with light pupils.

For attire, Stella wears a white dress with puffed sleeves and feather trimming, along with black accents. She is seen wearing a crown, and has painted nails underneath her black gloves.