Dutch Royal Family Attend King's Day on April 27, 2016 in Zwolle, Netherlands.

(L-R) Princess Alexia of The Netherlands and Princess Ariane of The Netherlands play with a ball during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. Parties and concerts are held across the Netherlands as members of the Dutch royal family oversee festivities.

(back L-R) Princess Ariane, King Willem-Alexander of The Netherlands, Princess Alexia, Queen Maxima of The Netherlands and Crown Princess Catharina-Amalia cheer at the crowd during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

(back L-R) Princess Ariane of The Netherlands, King Willem-Alexander of The Netherlands, Princess Alexia of The Netherlands, Queen Maxima of The Netherlands and Crown Princess Catharina-Amalia of The Netherlands, Pieter cheer at the crowd during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Princess Marilene of The Netherlands and Prince Maurits of The Netherlands are seen during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Princess Anita of The Netherlands and Prince Pieter Christiaan of The Netherlands pose for a picture during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

Princess Annette of The Netherlands and Prince Bernhard of The Netherlands pose for photographs during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

(L-R) Princess Alexia of The Netherlands and Princess Ariane of The Netherlands pose with a mascot during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

(L-R) King Willem-Alexander, Princess Ariane, Princess Alexia, Princess Catharina-Amalia and Queen Maxima of The Netherlands dance during celebrations marking his 49th birthday on King's Day on April 27, 2016 in Zwolle, Netherlands.

Princess Alexia (L) and Princess Catharina-Amalia of The Netherlands attend celebrations marking the 49th birthday of King Willem-Alexander on King's Day on April 27, 2016 in Zwolle, Netherlands.

Crown Princess Catharina-Amalia attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Crown Princess Catharina-Amalia attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Queen Maxima of The Netherlands attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

Princess Alexia of The Netherlands taking part in games during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Princess Alexia of The Netherlands taking part in games during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Princess Alexia of The Netherlands (L) and Princess Ariane of The Netherlands (R) seen during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

 Princess Alexia of The Netherlands (L) and Princess Ariane of The Netherlands (R) play with basket ball during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

Princess Alexia of The Netherlands (L) and Princess Ariane of The Netherlands (R) play with basket ball during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

Princess Alexia of The Netherlands (L) and Princess Ariane of The Netherlands (R) play with basket ball during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

Princess Alexia of The Netherlands (L) and Princess Ariane of The Netherlands (R) play with basket ball during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

 (L-R) King Willem-Alexander of The Netherlands, Princess Ariane of The Netherlands, Princess Alexia of The Netherlands, Crown Princess Catharina-Amalia and Queen Maxima of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

(L-R) King Willem-Alexander of The Netherlands, Princess Ariane of The Netherlands, Princess Alexia of The Netherlands, Crown Princess Catharina-Amalia and Queen Maxima of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

Prince Constantijn of The Netherlands and Princess Laurentien of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

King Willem-Alexander of The Netherlands and Crown Princess Catharina-Amalia attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

King Willem-Alexander of The Netherlands, Princess Ariane of The Netherlands, Princess Alexia of The Netherlands and Queen Maxima of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

 Princess Ariane of The Netherlands seen during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

Princess Alexia of The Netherlands seen during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

(L-R) Princess Marilene of The Netherlands, Princess Anita of the Netherlands and Prince Pieter Christiaan of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

Princess Ariane of The Netherlands attends celebrations marking the 49th birthday of her father on King's Day on April 27, 2016 in Zwolle, Netherlands.

(L-R) Princess Alexia of The Netherlands, King Willem-Alexander of The Netherlands, Queen Maxima of The Netherlands and Crown Princess Catharina-Amalia attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

King Willem-Alexander of The Netherlands with his wife Queen Maxima of The Netherlands and Princess Ariane of The Netherlands attend the King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

(L-R) Princess Alexia, Princess Ariane, Queen Maxima and King Willem-Alexander of The Netherlands attend celebrations marking his 49th birthday on King's Day on April 27, 2016 in Zwolle, Netherlands. 

Princess Catharina-Amalia of the Netherlands attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

 (L-R) Princess Catharina-Amalia of The Netherlands, Queen Maxima of The Netherlands, Princess Ariane of The Netherlands, King Willem-Alexander of The Netherlands and Princess Alexia of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

 The Dutch Royal family attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Princess Alexia of the Netherlands and Princess Ariane of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

King Willem-Alexander and Crown Princess Catharina-Amalia of the Netherlands attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

(L-R) Princess Ariane of The Netherlands and Princess Alexia of the Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

Queen Maxima of The Netherlands attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

 (L-R) Princess Ariane of The Netherlands, King Willem-Alexander of The Netherlands, Princess Alexia of The Netherlands, Queen Maxima of The Netherlands and Crown Princess Catharina-Amalia of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

Princess Aimee of The Netherlands and Prince Floris of the Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

(L-R) Princess Ariane of The Netherlands and Princess Alexia of the Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands

 Princess Aimee of The Netherlands and Prince Floris of the Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

(L-R) Princess Ariane of The Netherlands, King Willem-Alexander of The Netherlands, Princess Alexia of The Netherlands, Queen Maxima of The Netherlands and Crown Princess Catharina-Amalia of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

L-R) Princess Ariane of The Netherlands, Princess Alexia of The Netherlands, Queen Maxima of The Netherlands, King Willem-Alexander of The Netherlands and Princess Catharina-Amalia of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

 Princess Alexia of the Netherlands and Princess Ariane of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Princess Alexia of the Netherlands attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Queen Maxima of The Netherlands attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Princess Ariane of the Netherlands attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Princess Alexia of the Netherlands and Princess Ariane of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Prince Pieter Christiaan (R) and Princess Anita of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

 Princess Ariane of the Netherlands attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

(L-R) Princess Catharina-Amalia of The Netherlands, Princess Alexia of The Netherlands, Queen Maxima of The Netherlands, Princess Ariane of The Netherlands and King Willem-Alexander of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

Princess Catharina-Amalia of the Netherlands attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

 Princess Catharina-Amalia of the Netherlands attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Princess Catharina-Amalia of the Netherlands attends King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Princess Alexia of The Netherlands attends celebrations marking the 49th birthday of the King on King's Day on April 27, 2016 in Zwolle, Netherlands.

Crown Princess Catharina-Amalia of The Netherlands attends celebrations marking the King's 49th birthday on King's Day on April 27, 2016 in Zwolle, Netherlands.

Crown Princess Catharina-Amalia of The Netherlands attends celebrations marking the King's 49th birthday on King's Day on April 27, 2016 in Zwolle, Netherlands.



Queen Maxima dazzled in a fuscia pink top and cardigan worn over a floral A-line skirt from Dutch designer Natan, a firm favourite with European royals. She paired the look with a matching clutch and a broad-rimmed straw hat - finished off with some pink leather gloves and pointed courts.

 

 (L-R) King Willem-Alexander, Princess Ariane, Princess Alexia, and Princess Catharina-Amalia of The Netherlands dance during celebrations marking his 49th birthday on King's Day on April 27, 2016 in Zwolle, Netherlands.

Princess Aimee of The Netherlands attends celebrations marking the 49th birthday of the king on King's Day on April 27, 2016 in Zwolle, Netherlands. 

Princess Ariane (R), Princess Alexia (L) and Princess Catharina-Amalia of The Netherlands leave the stage after celebrations marking the 49th birthday of their father King Willem-Alexander on King's Day on April 27, 2016 in Zwolle, Netherlands. 

Princess Ariane (R) and Princess Alexia of The Netherlands leave the stage after celebrations marking the 49th birthday of their father King Willem-Alexander on King's Day on April 27, 2016 in Zwolle, Netherlands.

Princess Laurentien of The Netherlands attends celebrations marking the 49th birthday of the king on King's Day on April 27, 2016 in Zwolle, Netherlands.

 Princess Ariane of The Netherlands attends celebrations marking his 49th birthday of her father King Willem-Alexander on King's Day on April 27, 2016 in Zwolle, Netherlands.

King Willem-Alexander of The Netherlands attends celebrations marking his 49th birthday on King's Day on April 27, 2016 in Zwolle, Netherlands.

Queen Maxima of The Netherlands attends celebrations marking the 49th birthday of the king on King's Day on April 27, 2016 in Zwolle, Netherlands.

Queen Maxima of The Netherlands attends celebrations marking the King's 49th birthday on King's Day on April 27, 2016 in Zwolle, Netherlands.

Princess Alexia of The Netherlands attends celebrations marking the 49th birthday of King Willem-Alexander on King's Day on April 27, 2016 in Zwolle, Netherlands. 

Princess Aimee of The Netherlands attends celebrations marking his 49th birthday on King's Day on April 27, 2016 in Zwolle, Netherlands.

 (L-R) Crown Princess Catharina-Amalia of The Netherlands, Queen Maxima of The Netherlands, Princess Ariane of The Netherlands, King Willem-Alexander of The Netherlands and Princess Alexia of The Netherlands attend King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.

(L-R) Crown Princess Catharina-Amalia, Princess Alexia and Princess Ariane of The Netherlands watch celebrations marking the 49th birthday of the King on King's Day on April 27, 2016 in Zwolle, Netherlands. 

(L-R) Princess Alexia, Princess Ariane, Queen Maxima and King Willem-Alexander of the Netherlands watch celebrations marking the 49th birthday of the King on King's Day on April 27, 2016 in Zwolle, Netherlands. 

 (L-R) Crown Princess Catharina-Amalia and Queen Maxima of The Netherlands attend King's Day the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands.



Crown Princess Catharina-Amalia of The Netherlands attends celebrations marking the King's 49th birthday on King's Day on April 27, 2016 in Zwolle, Netherlands.

Crown Princess Catharina-Amalia plays football during the King's Day (Koningsdag), the celebration of the birthday of the king in Zwolle, on April 27, 2016.

Prince Constantijn of The Netherlands play football during King's Day (Koningsdag), the celebration of the birthday of the Dutch King, on April 27, 2016 in Zwolle, Netherlands. 

Dutch Queen Maxima looked pretty as a picture in her rose-tinted ensemble, matching her hat and gloves to her cardigan