Lady Louise Windsor, 18, made an incredibly special tribute to the late Queen Elizabeth II, and her grandfather Prince Philip as she stood Vigil on Saturday evening in Westminster Hall.

MORE: Countess Sophie's heartbreaking moment as she supports children at Queen's vigil

The university student appeared to be wearing a silver necklace displaying a horse pendant, as she joined her fellow grandchildren around Her Majesty's coffin. The sweet accessory was a moving nod to her and her grandparents' shared love of horses.