has praised the the for her "very thoughtful" gesture following the death of Lady Windsor's husband .

Lady Windsor, fondly known as Ella, suffered the loss of Mr Kingston, who and . In the following months, the Princess of Wales supported Ella, daughter of , and invited the 45-year-old woman to advise on her Together At carol service last year.

"It was such an honour to be involved, and very thoughtful and kind-hearted of the Princess to include me [in the carol concert]," Lady Windsor told HELLO! magazine this week.

"I was very touched. She was so lovely to work with, always gracious, very creative and with so much vision and passion for the many charities and causes she supports."

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Ella, who is ' second cousin, described the annual Christmas gathering as a "brilliant idea". She told : "The Princess’s carol concert is such a brilliant event and idea, to thank and shine a light on hundreds of the most outstanding charities in the UK."

In December, Lady Windsor, who is a singer and songwriter, as a coroner ruled her husband stopped taking his medication in the days leading to his death. The coroner ruled Mr Kingston's death was that of suicide.

Since her grief, the royal has also been using music to inspire young people and as a tool to help others. She became patron of the charity Restore The Music, which supports state school music departments. Some of its musicians performed at the Princess of Wales's concert last December.

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"Music can do so much to help build confidence, imagination and social skills - all of which are, I believe, essential to learning," said Lady Windsor in a statement on the

"On a recent visit to a school served by Restore the Music I was dazzled by the student performances, Rachmaninoff on piano, jazz saxophone, drums and Spanish guitar. They transported us to another place - far from a school classroom.

"What a stunning snapshot of talent, teaching and class instruments, funded by Restore the Music. It is such an honour to serve as Patron to this exceptional charity which creates opportunities for children to thrive through the power of music."

Lady Windsor is the King's second cousin. They are both great-grandchildren of King George V.

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