Princess Eugenie's parents divorced when she was 6 years old.
When Princess Eugenie turned seventeen, she underwent orthodontic treatment, like her sister.
Princess Eugenie has undertaken limited public duties as her university studies took precedence.
Princess Eugenie has described how surgeons at a world-class orthopaedic hospital saved her from developing a curved spine.
It was a kind of physical magic - which brings us back to Princess Eugenie, and her rapturous introduction to society.
Princess Eugenie's bad back was only spotted by chance after she had a massage, stepping in to fill an appointment booked by her mother.
Princess Eugenie of York 7.
They have two daughters from the marriage: Princess Beatrice and Princess Eugenie.
Princess Eugenie was moved to tears after visiting one centre which houses 60 disabled children - many abandoned by their parents.
In one picture the pair seemed to be kissing in front of Princess Eugenie.