Mother's Day Issue
Is it appropriate for a step-mother who's only known the children for three years, attends a school Mother's Day event that the children's biological mother is already attending and articulated to her ex husband that she would prefer to keep mother's day just between her and her kids yet the step-mother attended it anyway, even though the mothers articulated hat she didn't want her there (because it makes it awkward) and because the step mother isn't the childrens mother. Would it be appropriate that the step-mother attends this event?
Some prior context: The step-mother said the mother cannot join in the extended family Christmas event last Christmas, which she was invited to by the family and even though the mother's children were attending and 12 of her nieces and nephews. The mother honoured that and did not attend Christmas Day.