Francois was joined by his older brother, Prince Charles, and father, Hereditary Duke Guillaume, in their back garden, but ...

Prince William and Princess Kate's youngest son, Prince Louis, celebrated his sixth birthday yesterday, with the royals sharing a photo of him to mark the day. The sweet snap shows the young ...

The Prince and Princess of Wales published a new portrait of their youngest son on his actual birthday for the first time Janine Henni is a Royals Staff Writer for PEOPLE Digital, covering modern ...

Kate Middleton and Prince William's three children joined the royals at their grandfather King Charles' second birthday parade Stephanie Petit is a Royals Editor, Writer and Reporter at PEOPLE.

The third in line to the Grand Duchy of Luxembourg celebrates his 2nd birthday today, and rare photographs show that Prince ...

This is Prince Louis, the youngest child of the Duke and Duchess of Cambridge, and younger sibling to Prince George and Princess Charlotte. The royal became famous for looking "royally unimpressed ...

The son of Prince Carl Philip and Princess Sofia has often drawn comparisons to the British prince for their exuberant ...

Born His Royal Highness Prince Louis Arthur Charles of Cambridge, Louis is the third and youngest child of Prince William and Princess Kate, and the younger brother of Prince George and Princess ...