The 20-year-old student radiated effortless chic in a navy ensemble as she attended the Christmas service at St Mary Magdalene Church on the Norfolk Estate.
Embracing festive warmth, Louise stylishly tucked her hair back under a navy trilby, perfectly coordinating with her cousin-in-law Kate Middleton, who also opted for navy tones.
Currently studying at the University of St Andrews, Louise completed her look with nude heels, walking alongside her brother James.
Her cousins Zara Tindall and Princesses Beatrice and Eugenie were also present at the event, joining the King and Queen, the Prince and Princess of Wales, and Prince Andrew and Sarah Ferguson. The royal gathering showcased a harmonious blend of elegance and family unity on this special occasion.