Narcissistic Whore
A person who has sexual relationships with people in order to get money and/or other benefits from them but who also requires that the people they use be in love with them. Narcissistic whores do not care what you look like only that you make them the center of your world and give them attention and money whenever they ask for it.
My friend Dave is all caught up with a narcissistic whore ...she totally brain fucked him and has him paying her rent while she screws other guys in the apartment!