Personally, I would keep quiet. Although, in the past, I probably would have spoken out.
Things will go full-circle, they always do.
However, if it were me, I would keep them at a pleasant distance. And if I were them, I would tell you what my problem was (assuming that I am not just being a bitch and there is an actual problem).
It's bound to affect your self-esteem, but treat them in a bright, cheerful manner, always.
It won't be long until Queen Bee has flown the hive, but instead of following her, they will probably regroup.
It is usually just one person who stirs the pot, and those without much backbone, unfortunately, follow.