Bridesmaids divorcing

Hi everyone !!!.....I’m a bit lost and confused I’m not sure what to do one of my bridesmaids is getting divorce so here’s the story ....my fiancé best friend is a groomsmen in our wedding and I had asked his wife to be a bridesmaids I didn’t know her well but I felt bad leaving her out anyway my fiancé found out that their getting divorce this Monday and his best friend told him that he doesn’t want her in the wedding but I don’t know how to go about this I don’t think Right now is the right time to ask her any questions about if she will still stay in the bridal party I know that for sure but than her soon to be ex husband asked us to kick her out which would make me the bad guy should I do what the ex husband is telling me to do or just not do anything my wedding is six months away and I’m not close to the girl just asked her to step in because she’s married to my fiancé best friend that was the only reason she’s in and yes I know I shouldn’t add random people but I felt bad