Kate Middleton Wows in a Floral Dress at a Charity Event With Prince William: Pictures!

The Royals stepped out to promote their children's mental health initiative.

Doing good in style! Kate Middleton and Prince William traveled to Luton, England on Wednesday, to continue their work with children’s mental health. The royal couple visited the site of Youthscape, a charity organization dedicated to helping young people.

WATCH: Kate Middleton Makes Plea for Kids' Mental Health: We 'Wouldn't Hesitate' to Get Support for George and Charlotte

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The Duchess of Cambridge stepped out in a stunning white L.K.Bennett Lasa sundress emblazoned with blue flowers. She paired the look with nude heels. Her dashing hubby donned navy pants and a tan blazer.

The Youthscape building was reopened this past April after a £3.2 million renovation. It is now a site for therapeutic work for young people as well as a training facility for those looking to help.

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The Royals also met with representatives from the group, Our Minds Matter, who work to raise awareness about mental health issues among different faith organizations.

The couple, who announced their official Royal Tour of Canada earlier this week, has been working hard to promote mental health awareness.

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Middleton has worked with a podcast series to discuss such topics, and got candid about how she plans to raise her own children, Prince George and Princess Charlotte.

"One in three adults still say they would be embarrassed to seek help for their child's mental health. No parent would fail to call the doctor if their child developed a fever, yet some children are tackling tough times without the support that can help them because the adults in their life are scared to ask," the Duchess said in a statement released through Kensington Palace. “It doesn't need to be like this. ... Knowing this, both William and I feel very strongly that we wouldn’t hesitate to get expert support for George and Charlotte if they need it."