In the earlier episodes she used to be the usual "princess" character, but later, during the second season, was given more deep and personality (see Princess Ruby episode) showing that she act the way she does only because nobody never listen to her due being the Princess.
She has blonde long hair and a blue and white dress. She used to have blue eyes like her brother, but in the second season her eyes are black.
Abilities and Items Edit
She has no peculiar ability, altrought is shown that she is pretty lucky and use a colored language when angry.
Is implied that she does have different suitors, although she doesn't really like any of them.