Prince George, Princess Charlotte and Prince Louis Mark Christmas with a New Siblings-Only Portrait

The snap by photographer Josh Shinner appears to have been taken the same time as their family Christmas card picture with Prince William and Princess Kate

Happy Christmas from Prince George, Princess Charlotte and Prince Louis!

Kate Middleton and Prince William released a new photo of their three children on Monday to mark Christmas. The black-and-white snap by photographer Josh Shinner shows George, 10, Charlotte, 8, and Louis, 5, sitting together on a bench, with Princess Charlotte in the middle putting her arms around her siblings. Prince George gives a smile to the camera, while Prince Louis swings his leg and looks off-camera.

"Wishing everyone a very Merry Christmas, from our family to yours!" the Prince and Princess of Wales, both 41, captioned the post on social media. They signed the message from "W & C," standing for William and Catherine, indicating the note was from them directly rather than courtiers.

The newly released portrait was seemingly taken at the same time as Prince William and Princess Kate's Christmas card photo for this year. In addition to having the same photographer, the royal siblings wear the same outfits, matching white button-down shirts and coordinating shoes for Louis and Charlotte.

Related: Prince Louis Has a Cheeky Moment at Kate Middleton's Christmas Concert — and Mom Catches Him in the Act

The family portrait was snapped earlier this year in Windsor, and Shinner shared some insights into the photo shoot.

“It was such a pleasure to photograph The Prince and Princess of Wales and their family for the Christmas portrait this year,” the photographer said on his Instagram. “Without doubt one of the most relaxed and enjoyable sittings I’ve ever had, and I now have a whole new set of jokes that are right on my level thanks to the children…"

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Prince George, Princess Charlotte and Prince Louis' bond has been on display in recent moments. At Princess Kate's Christmas concert at Westminster Abbey on Dec. 8, the siblings mailed letters to children in need together, and Louis showed his cheeky side by blowing out his sister's candle after the event!

The trio also helped Princess Kate at a baby bank recently, and a short film showed them helping with sorting clothes and toys.

Keeping with Christmas tradition, Prince William, Princess Kate and their children are expected to join other members of the royal family for the holiday church service at St. Mary Magdalene church near the royal family's Sandringham estate in Norfolk. After attending the church service and greeting well-wishers, they will return to Sandringham House to enjoy a traditional feast.

Last year's Christmas Day walk was significant as the first of King Charles’ reign, and he did the honors of leading the charge with Queen Camilla. It was also sweet for another reason: Prince Louis’ Christmas walk debut!

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