Prince William admits a host of celebrities rejected the chance to support his mental health campaign because of the stigma surrounding the issue.
The 36-year-old royal created the Heads Together charity - which strives to support people with mental health and wellbeing concerns - in 2016, but the Prince has revealed that he and his wife, the Duchess of Cambridge, initially struggled to generate high-profile support for their campaign.
He shared: "When we set up the campaign not one celebrity wanted to join us, not one person wanted to help with the campaign because it was mental health."
The Prince also claimed that British attitudes towards mental health can be traced back as far as World War Two, saying that a stiff-upper-lip approach has prevented some people from speaking honestly about their worries.
He explained: "I take it as far back as the war.