Kate Middleton and Prince William have written a sweet message to six year old Mila Sneddon who recently headed back to school. Mila has spent the duration of her early education undergoing cancer treatment, but this year will be the first school year she won’t be needing to as she was amazingly given the all clear earlier this year.The young girl won over the Duchess of Cambridge’s heart over lockdown after a photograph of her undergoing treatment for leukaemia went viral. In the photo, the youngster could be seen kissing one side of a window as her father stood outside on the other.