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Open Image ModalCatherine, Duchess of Cambridge arrives with Stephen Hull (Editor in Chief Huff Post UK) in the 'News Room' at Kensington Palace on February 17, 2016 in London, England. The Duchess of Cambridge is supporting the launch of the Huffington Post UK's initiative 'Young Minds Matter' by guest editing the Huffington Post UK today from Kensington Palace. (credit:Chris Jackson/Getty Images)
(02 of29)
Open Image ModalCatherine, Duchess of Cambridge talks to Stephen Hul (Editor in Chief Huff Post UK) on the Huffington Post landing page in the 'News Room' at Kensington Palace on February 17, 2016 in London, England. The Duchess of Cambridge is supporting the launch of the Huffington Post UK's initiative 'Young Minds Matter' by guest editing the Huffington Post UK today from Kensington Palace. (credit:Chris Jackson/Getty Images)
(03 of29)
Open Image ModalCatherine, Duchess of Cambridge talks to Stephen Hull (Editor in Chief Huff Post UK) in the 'News Room' at Kensington Palace on February 17, 2016 in London, England. The Duchess of Cambridge is supporting the launch of the Huffington Post UK's initiative 'Young Minds Matter' by guest editing the Huffington Post UK today from Kensington Palace. (credit:Chris Jackson/Getty Images)
(04 of29)
Open Image ModalCatherine, Duchess of Cambridge talks to James Martin (Executive Editor Huff Post UK) and Stephen Hull (Editor in Chief Huff Post UK) on the Huffington Post landing page in the 'News Room' at Kensington Palace on February 17, 2016 in London, England. The Duchess of Cambridge is supporting the launch of the Huffington Post UK's initiative 'Young Minds Matter' by guest editing the Huffington Post UK today from Kensington Palace. (credit:Chris Jackson/Getty Images)
(05 of29)
Open Image ModalCatherine, Duchess of Cambridge talks to James Martin (Executive Editor Huff Post UK) and Stephen Hull (Editor in Chief Huff Post UK) on the Huffington Post landing page in the 'News Room' at Kensington Palace on February 17, 2016 in London, England. The Duchess of Cambridge is supporting the launch of the Huffington Post UK's initiative 'Young Minds Matter' by guest editing the Huffington Post UK today from Kensington Palace. (credit:Chris Jackson/Getty Images)
(06 of29)
Open Image ModalThe Huffington Post homepage is shown on an Apple Macbook Air on February 17, 2016 in London, England. Today The Duchess Of Cambridge will guest edit the news website of The Huffington Post UK from Kensington Palace, as part of her continuing work to highlight the importance of children's mental health. (credit:Chris Jackson/Getty Images)
(07 of29)
Open Image ModalCatherine, Duchess of Cambridge talks to Stephen Hull (Editor in Chief Huff Post UK) on the Huffington Post landing page in the 'News Room' at Kensington Palace on February 17, 2016 in London, England. The Duchess of Cambridge is supporting the launch of the Huffington Post UK's initiative 'Young Minds Matter' by guest editing the Huffington Post UK today from Kensington Palace. (credit:Chris Jackson/Getty Images)
(08 of29)
Open Image ModalCatherine, Duchess of Cambridge launches a story on 'Early Intervention in Mental Health Care' watched by James Martin (Executive Editor Huff Post UK) and Stephen Hull (Editor in Chief Huff Post UK) on the Huffington Post landing page in the 'News Room' at Kensington Palace on February 17, 2016 in London, England. The Duchess of Cambridge is supporting the launch of the Huffington Post UK's initiative 'Young Minds Matter' by guest editing the Huffington Post UK today from Kensington Palace. (credit:Chris Jackson/Getty Images)
(09 of29)
Open Image ModalCatherine, Duchess of Cambridge talks to James Martin (Executive Editor Huff Post UK) and Stephen Hull (Editor in Chief Huff Post UK) on the Huffington Post landing page in the 'News Room' at Kensington Palace on February 17, 2016 in London, England. The Duchess of Cambridge is supporting the launch of the Huffington Post UK's initiative 'Young Minds Matter' by guest editing the Huffington Post UK today from Kensington Palace. (credit:Chris Jackson/Getty Images)
(10 of29)
Open Image ModalThe Duchess of Cambridge talks to children featured in The Huffington Post's Real Truth video blog as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/PA Wire)
(11 of29)
Open Image ModalThe Duchess of Cambridge poses for a photo at Kensington Palace with (left to right) Hayden Pearce, Joshua Hogan, Solei Neil-Brown and Kiera Mullins, children featured in The Huffington Post's Real Truth video blog, as she guest edits the website for the day. (credit:Chris Jackson/PA Wire)
(12 of29)
Open Image ModalThe Duchess of Cambridge talks to Hayden Pearce, one of the children featured in The Huffington Post's Real Truth video blog, as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/Getty Images)
(13 of29)
Open Image ModalThe Duchess of Cambridge talks to children featured in The Huffington Post's Real Truth video blog as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/Getty Images)
(14 of29)
Open Image ModalThe Duchess of Cambridge talks to children featured in The Huffington Post's Real Truth video blog as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/Getty Images)
(15 of29)
Open Image ModalThe Duchess of Cambridge talks to Hayden Pearce, one of the children featured in The Huffington Post's Real Truth video blog, as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/Getty Images)
(16 of29)
Open Image ModalThe Duchess of Cambridge talks to Solei Neil-Brown and Kiera Mullins (right), children featured in The Huffington Post's Real Truth video blog, as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/Getty Images)
(17 of29)
Open Image ModalThe Duchess of Cambridge talks to children featured in The Huffington Post's Real Truth video blog as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/Getty Images)
(18 of29)
Open Image ModalThe Duchess of Cambridge enjoys her time as guest editor (credit: Chris Gorman for the Huffington Post UK)
(19 of29)
Open Image ModalEditor-in-Chief Stephen Hull sits alongside the Duchess of Cambridge (credit: Chris Gorman for the Huffington Post UK)
(20 of29)
Open Image ModalThe Duchess of Cambridge with member of the Huffington Post UK team (credit: Chris Gorman for the Huffington Post UK)
(21 of29)
Open Image ModalThe Duchess of Cambridge in the 'newsroom' at Kensington Palace (credit: Chris Gorman for the Huffington Post UK)
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Open Image ModalA delighted Duchess of Cambridge enjoying her time as guest editor (credit: Chris Gorman for the Huffington Post UK)
(23 of29)
Open Image ModalThe HuffPost UK team look on as the Duchess of Cambridge talks to Stephen Hull (credit: Chris Gorman for the Huffington Post UK)
(24 of29)
Open Image ModalThe Duchess of Cambridge guest edits the Huffington Post for the day in a temporary newsroom set up in Kensington Palace. (credit: Chris Gorman for the Huffington Post UK)
(25 of29)
Open Image ModalThe Duchess of Cambridge talks to children featured in The Huffington Post's Real Truth video blog as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/Getty Images)
(26 of29)
Open Image ModalThe Duchess of Cambridge talks to children featured in The Huffington Post's Real Truth video blog as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/Getty Images)
(27 of29)
Open Image ModalThe Duchess of Cambridge talks to children featured in The Huffington Post's Real Truth video blog as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/Getty Images)
(28 of29)
Open Image ModalThe Duchess of Cambridge talks to children featured in The Huffington Post's Real Truth video blog as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/Getty Images)
(29 of29)
Open Image ModalThe Duchess of Cambridge talks to children featured in The Huffington Post's Real Truth video blog as she guest edits the website for the day in a temporary newsroom set up in Kensington Palace. (credit:Chris Jackson/Getty Images)