Kate and William attended the summit ahead of World Mental Health Day.
The Duke of Cambridge returned on the second part of the BBC special to help work on a new community centre.
Princess Diana's former bodyguard tells the story of a memorable ride on London public transport with the three royals...
"It's in their interest to keep Diana alive and any other member of the royal family. It's their bread and butter"
From £1 million travel bills to £30 million security bills, royal spending appears to be at an all-time high - and it's time we had a conversation about it, say royal experts.
From meeting Barack Obama in his dressing gown to his role at the royal wedding, take a look through Prince George's seriously adorable photo album.
The Prince of Wales' private collection will go on display for a Buckingham Palace exhibition in honour of his 70th birthday.
Introducing The Royal Box, Yahoo UK’s brand new show on all things royal. Presented by Kate Thornton, episode four features royal historian Victoria Howard and etiquette expert Liz Brewer, who discuss how lonely royal life can be and dissect the growing celebrity circles the younger royals mix in. Kate also talks to double amputee and former royal marine Ben McBean, who shared his return flight home from Afghanistan with Prince Harry and has maintained a relationship with the royal ever since. Mr McBean looks back on his own time in the army and traumatic end to his tour. He also discusses Prince Harry’s unbiased treatment and what the royal has done for veterans since leaving the army himself. Plus, we look at what the Duke and Duchess of Cambridge and the Duke and Duchess of Sussex have in the diaries for the next few weeks.