This time around, Kate swapped out her usual clutch in favour of a sand-colored, crocodile-stamped Mayfair handbag from Aspinal of London, which coordinated with her heels.
After making her official return to the royal calendar last week at an event at the Sayers Croft Forest School and Wildlife Garden, she made her first joint appearance with husband Prince William in London today, at the Global Ministerial Mental Health Summit.
The meeting will help countries work together to deal with stigma attached to mental health and address other issues to do with mental ill-health.
William and Kate have always been involved in mental health initiatives through their Heads Together campaign.
Another policy up for discussion is a declaration committing to putting mental health on an equal footing with physical health. And so did William's jokes.
This saw the couple break out into laughter along with the crowd.
McConnell undermines Trump and Senate Republicans with support for Murkowksi
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The couple sat on a Friendship Bench, a mental health initiative from Zimbabwe.
They were met at London's County Hall by Health Secretary Matt Hancock.
Britain's Duchess of Cambridge took extended leave after giving birth to her third child Prince Louis in April, especially in comparison to her six-week and four-month breaks after welcoming Prince George and Princess Charlotte, respectively.
The Duchess chose a dress by Emilia Wickstead, wore previously during her 2017 royal tour of Germany.
The couple is also preparing for another big event on Friday when William's cousin, Princess Eugenie, celebrates her Royal Wedding to fiance, Jack Brooksbank, at Windsor Castle.