Princess Eugenie and Edoardo Mapelli Mozzi are supporting Princess Beatrice as she shares the story of her baby daughter Athena's preterm birth. All the details.

She was so tiny it took more than a few weeks for the tears of relief to dry and for life with our healthy baby to feel real.”

The young royal's birth was announced one week after her arrival, with Athena joining the couple's older daughter, three-year-old Sienna and Edoardo's son, eight-year-old Wolfie. Beatrice, 36, has now shared the story of Athena's premature birth with British Vogue Magazine - with Edoardo taking to social media to share his pride.