Princess Kate and Princess Charlotte have played a special duet during the broadcast of the Together at Christmas Carol Service.
The segment featured at the beginning of the programme, showing the mother and daughter duo playing the piano.
The performance was accompanied by a voiceover from the Princess of Wales reading the letter handed to guests at Westminster Abbey.
The pair played Holm Sound by Scottish composer, producer and multi-instrumentalist, Erland Cooper.
Princess Kate and Princess Charlotte played a special duet | ITV/BBC STUDIOSMr Cooper joined the duo on the day of the performance and provided some guidance.
The composer's work is inspired by nature and connection, themes which resonate deeply with Kate.
Holm Sound was written and composed by Mr Cooper for his mother, Charlotte.
The Princesses often play the beautiful piece together at home, with the special moment being recorded in the Inner Hall at Windsor Castle.
The pair played Holm Sound by Erland Cooper
|ITV/BBC STUDIOS
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The broadcast went out on ITV1 and ITVX with a repeat airing on Christmas Day morning.
BBC Studios Events and The Royal Foundation co-produced the programme, which included two special films showcasing individuals and organisations who have demonstrated love and compassion to others during difficult times.
Kate has played the piano at previous festive concerts in the past, including in 2021, when she put on a heartfelt performance at a Westminster Abbey service which aired on TV.
During that appearance, she amazed onlookers by playing the piano to support singer Tom Walker with a moving song.
The performance was accompanied by a voiceover from the Princess of Wales
|ITV/BBC STUDIOS
The pair played Mr Walker's Christmas single For Those Who Can't Be Here together, with Kate admitting that she felt "quite nervous".
At the Carol Service, which took place on December 5, the Princess of Wales was joined by the rest of her family for the service, with Kate sitting next to her youngest child, Prince Louis.
Prince William and Prince George sat furthest from the left as the family joined in with the carols.
Also in attendance were Zara and Mike Tindall, as well as Sophie, the Duchess of Edinburgh, who sat on Kate's left.
Kate has a background in music, playing the piano on multiple occasions
| GETTYJames, Michael and Carole Middleton were all present, but Kate's sister Pippa missed out.
Some 1,600 guests joined the royals for the event, which included individuals from across the UK who have given their time to support others and those in need.
This year's service centred on celebrating love in its many forms, from familial bonds and friendships to community spirit and acts of kindness between strangers.
The event blended traditional elements with contemporary touches, designed to welcome attendees of all faiths and those without religious affiliation.
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