I've recieved a complaint that you are adding the Seductress category to heroines that do not fit the category. Just because a character flirts with someone or "looks pretty" doesn't automatically mean that they are automatically Seductresses. In order to be under the category, one must seduce someone.
Please keep this in mind before you consider inserting the category.
Morticia, Roxanne Ritchi, Marianne, Stella, Thea Stilton, and Rarity are not seductresses. I watched these and never saw any kind of seduction. Rarity is the closest, but never actually seduced a man, just flirted with them.
Also, Lena De Spell is a little girl. That's too young to be seducing men, and she never even tries. She's not feminine she's a tomboy.
Stop adding females to the Seductress category just because you think they're pretty.