The Prince and Princess of Wales turned into the BBC 's newest interviewers for a special edition of Radio 1's Newsbeat.
The couple led a discussion on the importance of looking after your mental health with a host of advocates and experts in the channel's Live Lounge. William and Kate quizzed them on the tricks and tips they use when they are struggling with their mental health and talked about the importance of tackling the stigma around the issue. The show was broadcast this lunchtime and the royal couple's Radio One takeover shed light on several topics related to mental health that are very important to them - here is what we learned...
Possible reference to Princess Diana's death and Prince Harry row
Many listeners believe that William referenced his mum's sudden and heartbreaking death when he was just a teenager - as well as his wife rift with brother Prince Harry.
While he didn't mention Diana directly, he spoke about how people often need support when life changes unexpectedly.
He told the programme: "A lot of the work we've done on mental health and listening to lots of people talk about it, everyone likes a toolbox – particularly men. A toolbox is quite a useful analogy to kind of use.
"A lot of people don’t realise what they need until it actually comes along.
"You can be living one life one minute and something massively changes and you realise you don’t necessarily have the tools or the experience to be able to tackle that."
Kate's pressing question
During the chat, Kate turned interviewer and said she would "love to know' how the other guests looked after their own mental health.
Antonio Ferreira, a mental health activist who was diagnosed with undifferentiated schizophrenia and emotionally unstable personality disorder as a teenager, replied: "That’s a big question.
“I know not every day is going to be roses and sunflowers, you know, I know some days I’m going to have to push against the clouds to see that sun again and, you know, I know that you know when you have a bad day it doesn’t mean it will be a bad week or a bad month.
“You know, you can’t always run away from the issue, sometimes you have to really face them and conquer them and so, you know, with practice there’s progress, and that’s, I guess, in a nutshell, how… it was a big question!”
Kate added: "There’s no right or wrong, that’s the thing as well.
"Different things will work for different people and it’s just sometimes trying isn’t it, as well."
'Worst ever' joke
As the 15 minute segment begins to wrap up, William cracked a joke saying he and wife Kate might have ruined the show.
He told new reader Pria: "I'm conscious we might run out of time and Pria might say this is the worst Newsbeat production by two interviewers she's ever seen."
However, luckily Pria responded saying: "Do you know what, you can come back, this seat, I've kept it warm, I think you've done a very good job, you can come back, carry on."
Kate's bargain blazer
Clips from the Radio One Live Lounge during the recording of the segment looking chic in a cream blazer paired with black trousers.
And it appears the jacket is a bargain as it is reduced to just £25.99 at High Street store Zara.
To complete the look, she also wore a £234 necklace from the brand Laura Lombardi.
William's outtakes
As the show came to an end, Newsbeat featured a light-hearted section with William recording the last line of the show.
You hear him say: "Thanks for listening" several different ways before you hear Kate and the rest of the team descend into fits of giggles with his wife joking "please use all three!"
High praise from BBC team
The team at Newsbeat were delighted with Kate and William's work, saying their contribution was key.
The show's editor Danielle Dwyer said: "Talking about mental wellbeing without stigma or judgment is so key and it’s brilliant to welcome the Prince and Princess of Wales to our reporting team for the day, to join us in such a vital conversation.”
Aled Haydn Jones, head of BBC Radio One, said: “What was discussed today will resonate with so many of our listeners and it means so much to us that we can all work together to help tackle the stigma around this issue."