PRINCESS Kate has been snapped beaming with her family at her side as they made their way into the Together at Christmas carol concert.
The Princess of Wales last night hosted the special festive service at Westminister Abbey.
She was snapped dazzling in an all-white outfit, waving to crowds as she made her way inside.
The Princess was then joined by Prince William and their three youngsters.
Princess Charlotte, Prince George and Prince Louis looked gorgeous in their blue and maroon coats, as they held their parents' hands and headed into the festive event.
The children could be seen holding letters - which they then posted to less fortunate children in time for Christmas.
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After the service Louis showed his cheeky side as the trio held candles.
The young prince was seen playfully blowing out his big sisters candle as Princess Kate laughed.
Ahead of the service, Kate was seen chatting to Dame Sheila Hancock.
Meanwhile, Kate's sister Pippa Middleton and husband James Matthews also headed into the Abbey.
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Other royals included Sophie Wessex the Duchess of Edinburgh, Princess Eugenie and Princess Beatrice.
Meanwhile, King Charles was spotted at the Celebration of Craft at Highgrove House in Tetbury enjoying cups of tea with students and chatting to blacksmiths.
Stars like Adam Lambert and Freya Ridings were also photographed making their way in to perform for the crowds.
While the service was filmed on Friday, it won't be broadcast until 7.45pm on Christmas Eve.
A teaser clip for the Royal Carols: Together At Christmas programme featuring Kate aired on ITV1 on Thursday.
In it, Kate said: "Join me this Christmas Eve for a special carol service, as we say a heartfelt thank-you to all those supporting the very youngest members of our society during those crucial early years."
The Princess dazzled when she hosted the carols last year, too.
The service, supported by The Royal Foundation, will honour those who work to support babies, young children and families in communities across the UK.
Linked to Kate's Shaping Us campaign, the service will showcase "the hope of new life and why it is so important to build supportive, nurturing worlds around children and the adults in their lives".
The Westminster Abbey choir will perform popular carols, alongside musical performances by the likes of Jacob Collier, Freya Ridings and James Bay, and a special duet by Beverley Knight and Adam Lambert.
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Readings will be given by speakers including the Prince of Wales, Micheal Ward, Emma Willis, Roman Kemp, and Jim Broadbent, while a specially commissioned poem written by Joseph Coelho, the Children's Laureate, will be read by Leonie Elliott.
The Christmas Eve broadcast will also feature additional content, including an introduction by Kate and films emphasising the importance of early childhood.
It will include contributions from Rio and Kate Ferdinand, Ugo Monye, Andrea and Virginia Bocelli and Dame Sheila Hancock.
The service will see Westminster Abbey filled with "sustainable, eco-friendly festive decorations".
New features this year include a Christmas post box located outside the abbey for children to send handmade Christmas cards and best wishes to other youngsters who might be struggling this festive season.
Guests will be treated to carols and Christmas songs upon arrival by the Action for Children Young Carers Aloud choir, made up of 12 young carers including one aged just six.
Attendees have been nominated by lord-lieutenants across the nation, in addition to charities associated with members of the Royal Family.
They will be joined by those working in early years - a key focus area of Kate's work through The Royal Foundation Centre for Early Childhood.
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The audience will also consist of those who may have had a challenging year, including children and families, or those who might find the winter period difficult.
It comes as Omid Scobie today admitted he named royal "racists" in a version of his bombshell book.