Stella is slightly shorter than Luan, but taller than Tip. She has short brown hair styled into a pixie cut that resembles Lynn's, freckles on her cheeks, and wears dark purple eyeshadow.
In her prototype design and ER pilot, her skin was light.
She wears a purple sleeveless shirt with a white skull, torn crew neck, and triangular sleeves underneath a bracelet-length grayish blue jacket with sleeves almost rolled up, a plaid lavender jeans with white belt, a white belt, and high light black boots with white buckles on each boot. A distinguishing feature of hers is her paperclip earrings. She also wears three black bracelets on each of her wrists and a choker around her neck.
Her nightwear consists of a knee-long purple nightgown with a skull on it, and matching slippers.
For swimwear, she wears her signature shirt with matching bikini bottoms.
In her prototype design and ER pilot, she wore black shirt, red skirt, and white boots.
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