Do you think it is rude not to invite my boyfriends mother to my families Xmas dinner?

My boyfriend and I have been together for 4 years now and we live together and his mom kept hinting that they haven't been invited anywhere for xmas day dinner (they are doing xmas eve). Do you think that I should invite her? Even though I'm not the one in my family doing the dinner? They have met my family before. But I know my boyfriend doesn't really want them there.


Oh and if she asks how should I tell her no if that's your answer?


Thanks
Do you think it is rude not to invite my boyfriends mother to my families Xmas dinner?
No.