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PONTYPOOL, WALES - FEBRUARY 22: Catherine, Duchess of Cambridge visits MIST, a child and adolescent mental health project, on February 22, 2017 in Pontypool, Wales. (Photo by Anwar Hussein/WireImage)

PONTYPOOL, WALES - FEBRUARY 22:   Catherine, Duchess of Cambridge visits MIST, a child and adolescent mental health project, on February 22, 2017 in Pontypool, Wales. (Photo by Anwar Hussein/WireImage)

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PONTYPOOL, WALES - FEBRUARY 22: Catherine, Duchess of Cambridge visits MIST, a child and adolescent mental health project, on February 22, 2017 in Pontypool, Wales. (Photo by Anwar Hussein/WireImage)

PONTYPOOL, WALES - FEBRUARY 22:   Catherine, Duchess of Cambridge visits MIST, a child and adolescent mental health project, on February 22, 2017 in Pontypool, Wales. (Photo by Anwar Hussein/WireImage)

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PONTYPOOL, WALES - FEBRUARY 22: Catherine, Duchess of Cambridge visits MIST, a child and adolescent mental health project, on February 22, 2017 in Pontypool, Wales. (Photo by Anwar Hussein/WireImage)

PONTYPOOL, WALES - FEBRUARY 22:   Catherine, Duchess of Cambridge visits MIST, a child and adolescent mental health project, on February 22, 2017 in Pontypool, Wales. (Photo by Anwar Hussein/WireImage)

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PONTYPOOL, WALES - FEBRUARY 22: Catherine, Duchess of Cambridge plays pool during her visit to MIST, a child and adolescent mental health project, part of Action for Children which supports vulnerable families in Wales and across the UK on February 22, 2017 in Pontypool, United Kingdom. (Photo by Paul Edwards - WPA Pool/Getty Images)

PONTYPOOL, WALES - FEBRUARY 22:  Catherine, Duchess of Cambridge plays pool during her visit to MIST, a child and adolescent mental health project, part of Action for Children which supports vulnerable families in Wales and across the UK on February 22, 2017 in Pontypool, United Kingdom.  (Photo by Paul Edwards - WPA Pool/Getty Images)

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PONTYPOOL, WALES - FEBRUARY 22: Catherine, Duchess of Cambridge arrives during her visit to MIST, a child and adolescent mental health project, part of Action for Children which supports vulnerable families in Wales and across the UK on February 22, 2017 in Pontypool, United Kingdom. (Photo by Chris Jackson/Getty Images)

PONTYPOOL, WALES - FEBRUARY 22:  Catherine, Duchess of Cambridge arrives during her visit to MIST, a child and adolescent mental health project, part of Action for Children which supports vulnerable families in Wales and across the UK on February 22, 2017 in Pontypool, United Kingdom.  (Photo by Chris Jackson/Getty Images)