@Wechselbalg
I really think that this is like, something involving her being a changeling princess. You know how sometimes in an ant colony, a princess ant is born, who then grows up, and goes to form a new colony? That might be what ocellus is, but a changeling.
Ocellus: Why are you looking like that?
Changeling 1: What do you mean? Everyone looks the same.
Ocellus: Not me.
Changeling 2: Not you, of course, your majesty. We are going to suck the love out of those pathetic ponies just like you wanted.
Ocellus: NOOO