I have a small issue where my Mother and my Father's mother do not get along at all. There is a lot of nasty history between the two (on both sides). My fiance and I want to honor all of our grandparents during the reception but when we mentioned this to my mother she freaked out. She said that she'd been biting her tongue about even inviting my grandmother at all but that this was over the line and that we would in no way honor her at the reception at the same level as our other grandparents.
I have no problem with my grandmother and my father has gone suspiciously quiet about the situation. My other grandmother (mom's mom) says to honor her and ignore my mother since it is my day and not doing so would hurt my father and put a rift between me and my grandmother.
What should i do??