Britain's Catherine, Duchess of Cambridge speaks with runners from Team Heads Together ahead of the 2017 Virgin Money London Marathon, at Kensington Palace on April 19, 2017 in London.
Mental health campaign, Heads Together is the Charity of the Year for the Virgin Money London Marathon which will be run on April 23, 2017. / AFP PHOTO / POOL / Chris Jackson        (Photo credit should read CHRIS JACKSON/AFP/Getty Images)