Marie Antoinette's bedroom at the Petit Trianon is a perfect reflection of the young queen. Recently restored, the bedroom is one of the most elegant rooms in the house. You can see it located below on the plan in blue.
The placement of the bedroom would become important even with the planning of the Petit Trianon's gardens: the Temple of Love is on direct axis from the daybed out the window, seen below. Who says Marie Antoinette wasn't a romantic?
Below you see the Petit Trianon from the Temple of Love, the bedroom highlighted in blue.
The room features an exquisite bedroom suite by
Georges Jacob made for Marie Antoinette that is probably the most famous furniture in the small palace. The furniture and embroidered upholstery all display her love of flowers.
The bedroom breaks from the pale green color scheme found throughout the main floor of the Petit Trianon and is instead an icy blue. Seen below to the right is a clock featuring 2 eagles which represent the house of Austria. Marie Antoinette always discretely remained loyal to her roots. She must have felt at home at the Petit Trianon surrounded by the things which were important to her: a love of nature and her Austrian roots.
Even the boiseries are adorned with flowers. Below is a sketch from the 1913 Petit Trianon book that shows the carving in detail.
The hardware, which I have been admiring throughout the tour, is extremely organic in form: again harking back to nature and details of flowers.
I can't discuss Marie Antoinette's bedroom without including a picture of her as played so excellently by Kirsten Dunst in Sofia Coppola's movie.
Last night while watching the finale of Downton Abbey (was anyone else as frustrated as I am with the lack of resolution within ANY of the story lines?) I took my own advice and built my own little Petit Trianon.
It turned out pretty well although I wasn't able to figure out the wing walls for the courtyard elevation above (so I cut them off).
Much like the original, it's a little jewel box! I love the little parapet detail at the roof. If anyone else decides to build one, I would love to see the final result, especially if you figured out how the courtyard walls work.
Arguably, the most important room to the mistress of a 18th century house is her boudoir. The derivation of the word is from the French word Bouder or 'to pout' . Here she can unwind in her own personal space, far from the worries of her household (simliar to a 'mancave' today I think)! Technically, the boudoir is a private sitting or dressing area off of a bedroom. In the case of the Petit Trianon, this little room has some big impact, impressive features!
The room lies in the northeast corner of the first floor, in between the Salon (to which there is a jib or secret door) and Marie Antoinette's bedroom, marked in blue above.
Many of the details match that of the adjacent bedroom, including the pale blue color scheme. However, as this is a less public space, the boiseries are even simpler than in the bedroom. They saved the most showy spaces for the public, much as we do today in our own homes. The level of ornateness often would correspond to the level of privacy held by the space.
Above you can see the mirror half covering the window. While in the full height position, the mirrors act as part of the paneling and you can't even tell they are covering anything. A daybed (for naps or lounging) as well as a tea table with comfortable chairs furnish the room.
I wish I had a better photograph of the fireplace than the one above, but the drawing below shows it in detail. Beautiful white marble, delicate carvings and the diminutive scale emphasize the femininity of the small space.
Here you can see the mirror from above which is half covering the above window and starting to be visable in the servants quarters. 
You'll notice the literal use of lily in the boiseries. I've never seen a fleur de lis depiected with actual lilys before! It is of course the symbol of the French Monarchy and makes perfect sense here.
The room has 2 beautiful white marble busts on columns flanking the window with the garden view, but unfortuantely I can't remember who they are!
The doors leading into the dining room have a more ornate boiserie and again, beautiful gilded bronze hardware. Imagine carving all of this by hand!
