see more

LONDON, ENGLAND - MARCH 21: Catherine, Duchess of Cambridge arrives for 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 arrives for 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)

see more

LONDON, ENGLAND - MARCH 21: Catherine, Duchess of Cambridge arrives for 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 arrives for 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)