Prince George, Princess Charlotte and Prince Louis enjoy adorable day out with Kate and William

Kate Middleton Prince Louis

Prince George, Princess Charlotte and Prince Louis enjoyed a family day out with Kate and William, at mum’s new project with RHS Chelsea Flower Show.

The Cambridges came out in full force to support Kate after she designed the RHS Back to Nature Garden alongside landscape architects Andree Davies and Adam White.

In new pictures released by Kensington Palace, George, Charlotte and Louis are seen enjoying time at the woodland Kate designed and clearly have a great time.

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The two oldest dangled their legs over a stream and climbed into a tree house with dad William, while little Louis showed off his walking skills by running down a wooden path – how cute!

The project, heavily influenced by the Duchess’ passion to promote the importance of children’s early experiences in their development, is a woodland setting for families and communities to connect with nature.

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And it seems like she’s had a lot of help from her children, who have been helping out by collecting twigs, logs and moss from around Anmer Hall, their Norfolk home.

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READ MORE: Why Prince George and Princess Charlotte haven’t met baby Archie yet (opens in new tab)

‘They've been involved every step of the way and the duchess was excited for them to see the finished result.

‘Children – both hers and others – have always been at the heart of this project’, an aide told Mail Online.

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So after all their help, it’s no wonder Kate was excited to bring her family along for a day of fun before the project – which she hopes will inspire families to spend more time outdoors - opens to the public on Tuesday.

She said in an interview with gardener Monty Don for the BBC: 'I really feel that nature and being interactive outdoors has huge benefits on our physical and mental wellbeing, particularly for young children.

'I really hope that this woodland that we have created inspires families, kids and communities to get outside, enjoy nature and the outdoors, and spend quality time together.'