Duchess of Cambridge LK Bennett

LADY IN RED: The Duke and Duchess of Cambridge made an impromptu visit to the Young Minds charity in London on Thursday.

Kate Middleton and Prince William took in a tour of the help-line center and met with kids and volunteers. The young royals took part in a training session at the charity that aids parents of children suffering from mental health problems.

Young Minds is one of the charity partners of Heads Together, a mental health campaign the duo and Prince Harry launched earlier this year. Dubbed the charity of the year at the London Marathon, the campaign is called Heads Together and aims to provide aid for people with mental illness.

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The duchess opted to don another L.K. Bennett dress and wore a red Eugenia dress. She re-wore a blue and white floral dress from the label yesterday.

The young royals continue to focus on their campaign to promote the well-being of teenagers and children. Yesterday, the duke and duchess headed to Luton on a series of royal engagements to continue their mental health awareness initiatives. They young royals took in a tour of the site for Youthscape, a charity in Bute Mills. They met with staffers from Chums, a mental health service that aids young people. They also met with various charities working on mental health matters including Our Minds Matter, OM, Luton Council of Faiths and Grassroots.

RELATED STORY: Young Royals Continue Mental Health Awareness Initiatives >>