Responses
I think she did it knowing what drama it's going to bring... She was in the Grand Duke's head, and it sounds like he may be a bit of a tsundere. Maybe she thinks some "competition" for the King's affection will be the kick in the bum he needs.
Totally a tsundere (≧∀≦)
Ooofff I feel that throb...will all hell break loose if grand Duke sees that too ? (Assuming ishis did that...she did right?)