Britain's Catherine, Duchess of Cambridge (L) and Britain's Prince William, Duke of Cambridge, (R) leave the Institute of Contemporary Arts in central London on January 17, 2017 after attending a briefing to outline new agendas and aims for 2017 for the mental health charity Heads Together. Heads Together is a charity supported by the Duke and Duchess of Cambridge and Prince Harry that aims to tackle stigma and change the conversation on mental health. / AFP / POOL / STEFAN WERMUTH (Photo credit should read STEFAN WERMUTH/AFP/Getty Images)
