Princess Leonor of Spain, 17, showed she is not afraid to get stuck into action in a series of snaps which show her doing a training exercise at the General Military Academy of Zaragoza.
Prince s Day sees the Dutch royals put on their finery and today was no exception - as Queen Maxima and her family arrived at the Hague s Royal Theater in a gilded carriage.
And - perhaps in a bid to avoid Megxit round two - royal families from around the world have given their spares more and more to do - even though some of them are still teenagers.
The Spanish royal, 50, who is an award-winning journalist, appeared effortlessly elegant as she went to the communications course opening in Langreo, Madrid.