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For the first time since she married Prince William five years ago, Princess Kate has taken a royal tour all on her own.

The Duchess of Cambridge embarked on her first-ever solo trip outside the U.K. on Tuesday. She arrived in the Netherlands and visited King Willem-Alexander to talk about bringing her mental health campaign abroad.

As usual, she stunned in a beautiful pale blue jacket and skirt ensemble by Catherine Walker & Co.

Photo by Samir Hussein-Pool/Getty Images
Photo by Samir Hussein-Pool/Getty Images

The main focus of the trip was to discuss two of Kate’s charities — the Anna Freud Centre, which supports children’s mental health, and Action on Addiction, which helps educate people on the harmful effects of drug and alcohol abuse.

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“She has initiated a brilliant idea of bringing institutions together that have similar interests,” Peter Fonagy, the chief executive of the Anna Freud Centre, told PEOPLE. He joined Kate in Holland for the visit. “She’s aiming to help us learn from each other and bring back what there is from each side.”

“Because of her charisma, because of her interest, she is able to bring together people who would not normally be talking to one another, and that brings enormous value,” Fonagy added.

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On Monday, the princess was joined by her husband, Prince William, and brother-in-law, Prince Harry, for an appearance at the London Eye in honor of Mental Health Day.

She made a rare public speech to the people.

“All of us know someone who has been through difficult emotional times, and we know how hard it can be to see a way forward. William, Harry and I feel it is our duty to do what we can, with your help, to shine a spotlight on emotional well-being and highlight the support that is out there to prevent or manage the pain at difficult times,” Kate said.

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