She wants a reaction out of you. She's playing with your mind. Ask your friends and family to delete from Facebook. If they care about you, they will respect your decision. You need to do what you can to make sure you can't see her profile. Absoluitely no contact!
I will do my best to reply with an educated, humble and honest answer. Ultimately, it is up to you whether you want to listen to my advice or ignore it completely. Sometimes, my advice may be wrong; occasionally, it will be right. Regardless, I want to do my best to give people answers they are seeking.