Princess Eugenie and Sarah Ferguson Share Rare Unseen Photos of Princess Beatrice's Daughter, Sienna, After Pregnancy Announcement
She added that "Wolfie, August, Ernie and Sienna will be over the moon to have the fifth member of the five aside! 💜," referring to Princess Beatrice's 8-year-old stepson, Wolfie—whom she co-parents with husband Edoardo Mapelli Mozzi—and Princess Eugenie's two children August, 3, and Ernest, 1.