She won't attend the meeting with the Dutch community, what a pity! Hope she will be much better tomorrow
https://twitter.com/VorstenNL/status/658959979114819584
Yes, it's a dress by Valentino. She wore it at Prinsjesdag last year:
[DNF] Fotoarchief Denieuwsfoto
[DNF] Fotoarchief Denieuwsfoto
The pink one is by Benito Fernandez.