On Friday evening, crown prince Frederik & crown princess Mary were among the guests at princess Máxima of Holland's 40th birthday concert in Amsterdam, The Netherlands.
Mary was wearing new pumps by Christian Louboutin.
Crown prince Philippe & princess Mathilde of Belgium.
Crown prince Haakon of Norway, prince Märtha Louise of Norway & Ari Behn.
Hereditary prince Guillaume of Luxembourg with princess Maria Carolina of Bourbon Parma.
Crown prince Pavlos & princess Marie Chantal of Greece.
Prince Nikolaos & princess Tatiana of Greece.
Princess Aimée of the Netherlands.
Prince Pieter Christiaan & princess Anita of the Netherlands.
Prince Bernhard & princess Annette of the Netherlands.
Prince Maurits & princess Marilène of the Netherlands.
Prince Friso & princess Mabel of the Netherlands.
Crown prince Willem-Alexander's former girlfriend, Emily Bremers.
Crown prince Willem-Alexander & princess Maxima with queen Beatrix of the Netherlands & Maxima's parents, Jorge & Carmen Zorreguieta, and her brother Martin Zorreguieta.
At 2:50 you can see Mary inside the building gathering her dress to climb the stairs.
The next day the royals went for a private boat trip.
