In all fairness to Stephanie, I don't think she refused
to attend the National Day Events or anything.
I think the Grand Ducal Court is calling the shots, and if they wanted her there she would been there.
They know how much buzz this wedding is attracting and they know people are curious about Gui's fiancee...but they have still decided to adhere strictly to tradition and keep her away from official events until she is Hereditary Grand Duchess.
That's just the way they roll in the Grand Duchy of Luxembourg.