Maybe it would help also to learn to be more discerning with who you share personal things with & not let them be pried out of you.

I have a friend (a real friend) who I learned up front things I could & could not share with her because she always wanted to fix things she had no idea even the real background of & would spend her time alone coming up with "THE" solition that she was absolutely sure was right then got hurt when it wasn't accepted. We have a great friendship still but now I don't share everything with her & NO ONE pries anything out of me I don't want to share.

Might be a good time to reflect on that. The more shared, the more ammunition THEY FEEL free to use.

Why have you still been engaging with her after yiu defriended her on social media. Even if you couldn't block emails (texts can easily be blocked at least on smart phones) you didn't HAVE TO respond.

I would definitely STOP ALL contact with her & YES, your divorce is a PERSONAL matter that the decisions are best not talked over with anyone other than your lawyer & thought through based in your own feelings about it.

There are always going to be a lot of arm chair coaches in life but yiu are the coach & author of your OWN life. Yiu need to listen to you becayse yiu are the one that has to live with your choices, nit the choices others want you to make that really don't hold onto the big picture of your lufe, experiences & ALL your thoughts.

Take care of YOU.