THE RUNDOWNPrincess Charlotte joined her parents and brothers at the royal family’s Christmas day service in Sandringham.The 10-year-old wore a tan coat dress, matching her mother, Kate Middleton, who was in brown.Charlotte recently joined her family at King Charles’s annual Christmas lunch.Princess Charlotte and her brothers, Prince George and Prince Louis, began Christmas morning with a rare public appearance and a long-standing royal tradition: attending Christmas service in Sandringham. Charlotte had a standout fashion moment, wearing a tan coat dress with a brown collar and trim. The look complemented her mother Kate Middleton’s brown outfit. Charlotte accessorized with a dark hair bow.Samir Hussein//Getty ImagesHENRY NICHOLLS//Getty ImagesSamir Hussein//Getty ImagesMuch of the 10-year-old princess’s life has been kept private, though she recently joined her parents at King Charles’s Christmas lunch at Buckingham Palace. She wore a burgundy look, complete with a matching hair bow.Max Mumby/Indigo//Getty ImagesIn May, sources spoke to People about Charlotte’s personality at age 10. A palace insider described the young royal as “quite a strong character, almost wise beyond her years.”She also shares more than just coordinated style moments with Kate. “She’s clearly sporty like her mother. A bit of a mini-me,” a palace source said.Charlotte has handled her moments in the spotlight with notable ease: “She’s a natural and has taken to royal events like a duck to water.”That source noted that Charlotte is especially close with her brothers for good reason: “No one else knows what it’s like to grow up in the U.K.’s foremost family. It’s a shared, lived experience for them.”Related StoriesWilliam and Kate Share Their Family Christmas CardAll About Princess Charlotte