Kate Middleton makes touching promise to little girl ahead of book launch Hello! 6/05/2021 Hold Still community photography project, ahead of the book release on Friday. In clips shared to Prince William and Kate's new YouTube channel, the Duchess took part in a moving phone call with Lynda Sneddon and her four-year-old daughter, Mila, whose photo was included in the project. During the call recorded in autumn 2020, Kate made a sweet promise to the little girl that she would wear a pink dress when they were able to meet. WATCH: Kate Middleton's moving phone call with little girl ahead of book launch