The former Olympian swimmer, 46, who is married to the principality's ruler Prince Albert, began Monaco's important day with a mass in the cathedral.
Eleanor Dye is a Trainee Reporter with a focus on multinational news in the United Kingdom. She writes for publications such as Express Digest and MailOnline, covering a range of topics including celebrity news, reality TV, and entertainment. Her work has also been featured in Cigalah Group, This Is Money, and 247 News Around The World.