The Duke And Duchess Of Cambridge And Prince Harry Attend The Launch Of Heads Together Campaign [Getty Images]

LONDON, UNITED KINGDOM - MAY 16: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Prince Harry attend the launch of the Heads Together campaign to eliminate stigma on mental health at the Queen Elizabeth Olympic Park on May 16, 2016 in London, England. (Photo by Max Mumby/Indigo/Getty Images)

Getty Images Entertainment Max Mumby/Indigo