Ok so I am the maid of honor in my best friends wedding. One of the bridesmaids is roommates with my sister and in conversation they had, she told my sister she didn't want to be in the wedding along with bad mouthing the bride. This girl has given me problems with other things such as bridal shower, bachelorette party, and the choosing of dresses. Do I tell the bride about it? I don't want my sister to get kicked out or have issues with her at home and I also don't feel like she should be apart of the bridal party! I DONT KNOW WHAT TO DO!! do I even get involved?