Her facebook updates are non stop complaining about people being all in her business and yet she posts all of her business on facebook for people to comment on. In the past I've told her to be more private if she doesn't like what people comment or to de-friend them. She never does and the truth is it's because she likes the attention.
Lately I have been biting my tongue when I really want to let lose on her. I decided that it's not worth it because she will never learn and she is looking for a reaction. I've considered de-friending her but I'm facebook friends with everyone else in her family (I was very close with her two sisters growing up and as a result would often spend time with her as well) and part of me reads her status updates because of the drama in the comments. It's way better than any soap. I may just hide her status updates if I get too ragey.
My new facebook rule is to only comment on positive facebook updates. If you're complaining all the time about petty things I'm not going to comment. I'm trying to be more positive in my status updates as well. It can be too easy to fall into the facebook negativity trap.