In her 19 years as a working royal, Camilla has worn numerous tiaras—before becoming Queen, she favored the Boucheron Honeycomb Tiara, but since her coronation, she's turned to the royal vaults ...

Camilla could also choose to wear one of the many other tiaras she has access to and has worn over the years, including the Girls of Great Britain and Ireland tiara, the Boucheron Honeycomb Tiara.