Well I was wrong, Maxima is 1,78... 5 10 1/2 according to this link in wikipedia amd shoe size 43 or 11 us. I wonder what could be her weight. Maybe around 70 or 75 kgs.
http://en.wikipedia.org/wiki/M%C3%A1xima,_Princess_of_Orange
When she was in Argentina, Benito Fernadez (fashion designer)...