Following the birth of her children - the gallery director, who splits her time between London and Portugal, is seemingly redefining her style to highlight her increasingly toned figure.
The younger daughter of Prince Andrew and Sarah Ferguson, 35, had joined other members of the royal family, including the King and Queen, last Friday and Saturday at the Berkshire racecourse.
Princess Eugenie and Jack Brooksbank's wedding on October 12, 2018, was attended by more than 850 guests including Naomi Campbell, Liv Tyler, Demi Moore and Robbie Williams.
Princess Eugenie and Jack Brooksbank's wedding at St George's Chapel in October 2018 was a fairytale - but eagle-eyed royal observers noticed one 'unusual' detail.
In a rare behind-the-scenes glimpse into her family life, Eugenie shared a series of photographs of her sons Ernest, two, and August, four, to mark her youngest's birthday on Friday.
Speaking to The Telegraph, Princess Eugenie revealed she had a 'sense of shame' when she couldn't wash or dress herself and was shown her scar, which runs down her neck and spine.
Their trip to the Teenage Cancer Trust unit at London's University College Hospital comes months after Fergie was given a clean bill of health after receiving back-to-back cancer diagnoses.