Angélique, Fêtes royales - King's Wedding

Angelique and the golden dress from the movie. She did wear it as the King Louis XIV arrived in Toulouse.

(The court & the King did really visit Toulouse in years1659 & 1660 few times)

Timeline of the years in Wikipedia:

https://fr.wikipedia.org/wiki/1660_en_France

https://fr.wikipedia.org/wiki/1659_en_France

In the book Angelique had the golden dress at the Kings Wedding on June 9th 1660. The marriage took place in Saint-Jean-de-Luz.
In the book, Angelique was not in Toulouse as King arrived to Toulouse, because she was in province Bearn, at small family castle of Joffrey de Peyrac, where she gave birth to her first son Florimond.