It is one of the most important days in the Monaco royal calendar. But Princess Charlene made sure this National Day was especially unforgettable with her choice of outfit for the evening's gala reception.

Princess Charlene, 47, was at her sophisticated best in an embellished gown by Armani Privé. But it wasn't the show-stopping dress that sent royal watchers into a frenzy. It was her tiara: a diamond embellished creation by German-French jeweller Lorenz Bäumer that was last seen at her wedding to Prince Albert II in 2011. Pomp, ceremony – and incomparable glamour: the 35 best photos from Monaco's National Day celebrations By Stephanie Bridger-Linning Read More

On 2 July 2011, Princess Charlene and Prince Albert wed in spectacular fashion in a religious ceremony atte

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