My oldest sister is getting married. She has asked my two other sisters to be bridesmaid but purposefully left me out. My other two siblings didn't mention they were in the wedding party, I found out because the bridesmaids (8 of them) were listed on the invitation I received. I am very hurt by this and I'm thinking of declining the invite. I would ask my mother to speak to her but my mother unfortunately has severe Alzheimer's. I don't know how to proceed. I don't want to seem petty by declining the invite but don't really want to constantly come up with an excuse as to why I'm not involved. I have two children but so does one of my other sisters. Why would you guys do? Would you attend and grit your teeth or would you decline?