Kate wears her heart on her sleeve while stepping out to commemorate Children's Mental Health Week

The Duchess of Cambridge wore her heart on her sleeve while stepping out in support of Place2Be, a school-based mental health support program for which the mother of three is a royal patron. Dressed in the chicest of outfits – and not forgetting her megawatt smile – the duchess met with students and teachers (like the world's best teacher, Andria Zafirakou!) to talk about how to increase wellbeing in schools in commemoration of Children's Mental Health Week. She stopped by Alperton Community School and Lavender Primary School for some sweet moments with kids... And a lucky puppy!
Click through for all the best moments from her visit...
Photo: © Chris Jackson/Getty Images

Kate looked no further than London-based bespoke brand Eponine. The duchess wowed in the bright green jumper ensemble, paired with the chicest of lace-up booties and opaque black tights to make the colour really pop. As always, the 37-year-old wore her beautiful hair in bouncy, voluminous waves and accessorized with and a small black clutch.
Photo: © Neil Mockford/Getty Images

The duchess's natural beauty shined through with a simple makeup look – a bit of bronzer, a subtle smoky eye and a pink lip. Kate also wore the sweetest pair of heart drop earrings.
Photo: © Chris Jackson/Getty Images

Other than the heart earrings, the Duchess of Cambridge wore her stunning engagement ring.
Photo: © Neil Mockford/Getty Images

Duchess Kate's first stop of the day was at Lavender Primary School in north London, where she bonded with parents about the challenges of putting in place good routines for their children. The lover of sports also took some time to watch the kids take part in the school's very active Daily Mile challenge!
Photo: 7copy; Neil Mockford/Getty Images

Showing off her big heart, the duchess clasped hands through a fence with an adorable little one.
Photo: © Chris Jackson/Getty Images

Just like her sister-in-law, Duchess Meghan, Kate also has a huge love for canine companions! She had an adorable moment with one lucky pup outside of Lavender Primary School.
Photo: © Chris Jackson - WPA Pool/Getty Images

One lucky little boy got some one-on-one time with the Duchess of Cambridge! He even got to hand her a beautiful bouquet of flowers.
Photo: © Chris Jackson - WPA Pool/Getty Images

Clearly, Kate asked how old he was! The little one held up five fingers.
Photo: © Karwai Tang/WireImage

Prince William's wife spent time chatting with students, to discover how the school can best provide support to improve the emotional wellbeing of pupils, families, teachers and school staff.
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While chatting with a group of school kids, the duchess let out a hearty laugh!
Photo: © Chris Jackson - WPA Pool/Getty Images

The Duchess of Cambridge listened intently as a little girl spoke.
Photo: © Chris Jackson/Getty Images