Ugh why?!?!

So I live with my husbands family but we have our own back house...When I first moved in thing we're grand everyone was so nice I love it, then out of NOWHERE his newly step mom and daughter stop talking to me and would be so rude, it has been over 5 months and we just told them we are pregnant, now they want to come and try and be nice to me ask me how things are?!?!?!? Like bitch you would walk past me and not say a word that the fuck?!?! I don't know how to feel I'm just so annoyed at this point!!! I just need to rant because I have 0 friend to rant to.