Prince William and Kate Middleton make their debut as the Prince and Princess of Wales at Christmas.

Prince George, Princess Charlotte, and Prince Louis—making his Christmas debut—joined the couple for the first time.

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Kate Middleton and Prince William are following royal Christmas tradition.

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The couple and their three children—Prince George, 9, Princess Charlotte, 7, and Prince Louis, 4—attended the holiday service at Church of St. Mary Magdalene in Norfolk with King Charles III, Queen Camilla, and other royals.

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Prince Louis joined Prince George and Princess Charlotte on their first Christmas Day stroll to church.

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Princess Charlotte donned red for Christmas, while Kate wore a bold green coat. Prince Louis donned a navy blazer over shorts and knee socks, while Prince William and Prince George wore suits with ties.

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Everything You Missed in Kate Middleton and Prince William's Christmas Pic—Including George's Untucked Shirt!

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After two years apart due to the COVID-19 pandemic, the royal family celebrated Christmas together.

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William and Kate, 40, celebrated their first Christmas as Prince and Princess of Wales. One day after Queen Elizabeth II died in September, King Charles handed his eldest son and daughter-in-law the titles.

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King Charles, 74, and Queen Camilla, 75, declared they will host Christmas at Sandringham, Queen Elizabeth's cherished Norfolk rural house, in keeping with family custom.

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