Prince George and Princess Charlotte Attend Kate Middleton's Christmas Show Mom and Dad.

The Princess of Wales held her second Christmas concert in Westminster Abbey with her two oldest children for the first time.

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Kate Middleton's children were her biggest supporters in a new royal Christmas tradition.

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Prince George, 9, and Princess Charlotte, 7, attended the Princess of Wales' second holiday concert, Royal Carols: Together at Christmas, on Thursday.

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Their 40-year-old parents, Kate and Prince William, entered Westminster Abbey.

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Kate, Charlotte, and William matched in burgundy. William and George wore suits and ties.

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Prince Louis, who is 4 years old, seemed to stay at home.

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Charles III and Camilla attended the royal family celebration.

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Princess Eugenie and Jack Brooksbank, Princess Beatrice and Edoardo Mapelli Mozzi, Zara and Mike Tindall, Sophie, Countess of Wessex, Lord Frederick Windsor and Sophie Winkleman, and Lady Gabriella Windsor and Tom Kingston also attended.

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Carole and Michael Middleton, Kate's parents, entered with Pippa.

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