King Charles and Queen Camilla were noticeably absent from Kate Middleton's fourth annual Christmas Carol Service at Westminster Abbey in London on Friday, Dec. 6.

Princess Kate spearheaded the Together at Christmas carol service with The Royal Foundation in 2021 as a way to thank those who gave back to their communities during the COVID pandemic, and it's continued as a tradition ever since, becoming a staple on the royals' annual calendar.

For the second year in a row, Prince George, Princess Charlotte, and Prince Louis joined Prince William and Kate Middleton at Westminster Abbey for Kate's annual Christmas Carol service. It's George and Charlotte's third time attending (they also went in 2022 ).

Prince Louis may be young, but he already knows that the holidays are all about spending time with family.

There were several key takeaways from Kate Middleton’s Christmas carol concert, including Prince George and Prince Louis’s resemblance to their dad, Prince William, and Princess Catherine’s super-telling body language.

Prince George, Princess Charlotte and Prince Louis don't make many public appearances, but when they do, royal watchers are treated to plenty of adorable moments. The royal trio headed to their mom Princess Kate's annual Together at Christmas carol concert on Friday,