From official portraits to informal photocalls, here are pictures of the royal family from the 1930s until the present.

Denmark’s King Frederik and Queen Mary’s eldest daughter (and second child) Princess Isabella has just turned 18 years old ...

The eldest daughter of King Frederik X and Queen Mary posed for several photographs at Knight’s Hall at Amalienborg Palace — ...

The Danish royal family posted a candid birthday picture of Princess Isabella decked out in regal garb and holding an iPhone.

A lonely Van Gogh painted postman Joseph Roulin and his family in a creative frenzy. The portraits, on view at MFA Boston, ...

In the photograph, the royal is smiling while wearing her first official tiara and a tangerine-coloured gown. The image was ...

Princess Isabella has stunned in her first official gala portraits to mark her 18th birthday, but royal fans have spotted ...

Princess Isabella of Denmark's 18th birthday portrait featured her holding her iPhone in a first for royal family birthday ...

Per the royal family, the turquoise tiara hails from "the late 19th century" and originally was owned by the Swedish royal ...

Happy birthday Princess Isabella!To ring in the milestone 18th birthday of the beautiful Princess, the Royal Family of ...

The British royal family is known for using their portraits to mark special occasions. Royal family members are often photographed but cannot take selfies with the public. Here are 25 royal family ...