Is it permissible to supplicate to be reunited with a specific person in Paradise, even if one is married, knowing that a woman will be with her last husband in Paradise?

The default ruling for supplications of request is permissibility, unless they involve transgression. Transgression in supplication occurs by asking for something that is not permissible to ask for, such as assistance in committing unlawful acts, or asking for something that Allah does not do, or something that contradicts His wisdom and law. Accordingly, there is no harm for a woman to ask her Lord to unite her with her fiancé in Paradise. However, it is not permissible for a woman to abandon marriage or reject a suitor if he is satisfactory in his religion and character.