Sarah Ferguson, the Duchess of York, is a proud mother to Princess Eugenie, 28, and Princess Beatrice, 29.
The 58-year-old, who was married to Prince Andrew, shared a gushing image of her youngest daughter yesterday.
Mum-of-two Fergie tweeted: “So proud of my daughter Eugenie.”
She added two smiley face emojis to the message.
The image showed her daughter Eugenie stood with the Duke and Duchess of Gloucester at the Queen’s Garden Party.
Sarah Ferguson: Was Princess Eugenie’s mother at the Queen’s Garden Party yesterday?
Princess Eugenie wore a quirky 'love' hat for Queen’s yearly do.
The brunette’s hat was navy with a wide brim and a net covering her face.
The hat matched Eugenie’s navy blue dress with a fitted waist and pleated skirt.
She also added blue shoes.
Eugenie’s engagement ring could be seen sparkling on her ring finger.