LONDON, ENGLAND - MARCH 21: Catherine, Duchess of Cambridge is met by Sir Simon Charles Wessely, President of the Royal Society of Medicine, Peter Fonagy, Chief Executive at The Anna Freud Centre and Lorraine Heggessey of the Royal Foundation, while attending a symposium she has organised on early intervention for children and families at the Royal Society of Medicine on March 21, 2018 in London, England. (Photo by Geoff Pugh - WPA Pool/Getty Images)
LONDON, ENGLAND - MARCH 21: Catherine, Duchess of Cambridge is met by Sir Simon Charles Wessely, President of the Royal Society of Medicine, Peter Fonagy, Chief Executive at The Anna Freud Centre and Lorraine Heggessey of the Royal Foundation, while attending a symposium she has organised on early intervention for children and families at the Royal Society of Medicine on March 21, 2018 in London, England. (Photo by Geoff Pugh - WPA Pool/Getty Images)
LONDON, ENGLAND - MARCH 21: Catherine, Duchess of Cambridge is met by Sir Simon Charles Wessely, President of the Royal Society of Medicine, Peter Fonagy, Chief Executive at The Anna Freud Centre and Lorraine Heggessey of the Royal Foundation, while attending a symposium she has organised on early intervention for children and families at the Royal Society of Medicine on March 21, 2018 in London, England. (Photo by Geoff Pugh - WPA Pool/Getty Images)
