Internet Movie Database entry for a film featuring that great cinematic rarity – historically informed dance (choreographed by Béatrice Massin). I've also found a short interview with director Gérard Corbiau. [Dancing episodes are pretty brief and you have to ignore Louis' grimmaces and watch the dancers in the background. Strangely enough, the King dances much better when the camera only shows his legs.]
For people interested in 18th century Europe. They used to allow anyone to read messages, but now you need to subscribe – when I was allowed to read it, dance was occasionally discussed, but conversation was generally about clothing. There are some photos from their spring 2003 meeting on the Calendar of Early Dance website.
Another version of the painting by Lancret. On view at the National Gallery of Art, Washington DC. [I'd treat the blurb about Mlle. Camargo as dubious – they list the oft-repeated things, and I have never seen a primary source reference for any of them. In particular, she certainly did not invent toe shoes, and the most cursory flick through Lambranzi will show many skirts that reveal the lower leg.]