It seems you are trying to use Litzonus to be Docheh the Mussar. Perhaps you are refering to paintings that you’ve seen. I’m sure those paintings are just from that period of time. If you go back in time even further -I’m sure all dress, even not in Kings’ courtyards was very Tzinus. “
You are mistaken. And the paintings I have seen, are paintings of the times. We know from seeing period costumes that women of note throughout the Middle Ages through the 19th Centrury, dressed with lowcut necklines. it was the fashion, especially of the wealthy, AND of the members of Court. The ONE and only point I was making was that you cannot use the “dress in front o0f the king” argument, because often throughout history, that mode of dress would eb considered inappropriate by our standards of tznius, yet be considered wholly proper in front of the king of that time. Look at how women dress for the Inaugural Balls today. that is OUR “King’s Court,” and yoI highly doubt you’d want you daughter dressed like that.