Princess Anne took out one of her favorite tiaras for a state banquet. Anne, 75, looked stunning at the event, welcoming German President Frank-Walter Steinmeier to the United Kingdom at Windsor Castle on Thursday, December 5. For the occasion, she wore her Festoon Tiara, featuring diamonds topped with a large pearl. According to The Royal Watcher, the tiara "originally had a base of collet diamonds, which were replaced with a base of a row of pearls by Princess Michael.