LONDON, ENGLAND - MARCH 28: Catherine, Duchess of Cambridge arrives to attend the 2017 Portrait Gala at the National Portrait Gallery on March 28, 2017 in London, Britain. (Photo by Neil Hall - WPA Pool/Getty Images)
LONDON, ENGLAND - MARCH 28: Catherine, Duchess of Cambridge arrives to attend the 2017 Portrait Gala at the National Portrait Gallery on March 28, 2017 in London, Britain. (Photo by Neil Hall - WPA Pool/Getty Images)