Queen Elizabeth II. at the age of 14.
Prince Charles at the age of 15.
King Willem-Alexander of the Netherlands at the age of 16.
Princess Victoria of Sweden at the tender age of 13.
The Swedish Royals as teenagers.
Today he is the King of Spain. In this photo, Felipe is 15 years old and a real teenager!
Prince Harry was a really cute teenager!
Prince William at the age of 15.
Duchess Catherine (in the middle) with her field hockey team.
Prince Carl Philip of Sweden together with his parents.
The Danish Royal Family. Crown Prince Frederik (far right) is 12 years old on this picture.
Naturally, all our favourite royals were also once teenagers!
Not even being a member of a European monarchy can always keep puberty at bay...