So, I have a friend of mine who is soon to have a roommate that is constantly a tagalong. The problem is that said friend is okay with that for all things. We just sent out bridal shower invitations and she is like "count our RSVP for 2". I CAN'T STAND this tagalong girl and neither can my FH. Most of the time, I can tolerate people I don't like. However, this girl is an oversharer that does not have a grasp on basic social cues. She has more than once felt the need to tell almost strangers (including myself the first time I met her) about what milk does to her because of her lactose intolerance as well as the numerous boils that she gets in way too personal of spaces. I do not want this girl at any of my events, especially not the personal "friends only" type of things like bridal shower and BP (I really don't want her at the wedding doing that kind of thing either). I am not sure how to go about this with my friend though without sounding like an intolerable bridezilla. Suggestions?