Rubellite is a slim fusion with four skinny arms, a wide chest, and two heads. She has light fuchsia skin along with three fuchsia eyes on each head, a sloped and upturned nose, and full lips. Her hair is dark pink and is in a bob. Her arms come from her shoulders and are slim while her heads come from depressed skinny necks on her shoulder. Her gemstone s are on the right side of her chest and navel and are fuchsia.
She wears a fuchsia and dark pink sleeveless bodysuit with very light pink sleeves poking through, and she has cutouts at the toes.