Royal jewelry always has a hidden message, and Kate Middleton's post-chemo sparkle is no exception. Her latest look speaks volumes if you know where to look.

Kate Middleton attended the Festival of Remembrance event on Saturday, marking her first major formal appearance since announcing that she had completed her chemotherapy treatment.

Over the course of her 13 years of royal life since marrying husband Prince William in 2011, the Princess of Wales, 42, has worn only four different types of tiaras — and one has emerged as her go-to.

Set to the background of musical jingle bells, the video includes a montage of gears and machinery whirring into motion as they stamp out Kate’s gilded gold royal cypher: a curs

And it could include an appearance from her kids. Fresh off of Kate Middleton’s back-to-back Remembrance weekend appearances, Kensington Palace has confirmed that the Princess of Wales has already figured out her next public engagement—and it’s coming up soon.

Kate Middleton had back-to-back engagements this past weekend and one royal watcher had her eye on a a "mystery."