Celine Dion reveals shock outfit - her birthday suit!

Celine Dion at the 2013 Billboard Music Awards

Celine Dion has been getting lots of attention lately for the clothing she has been wearing.

But it’s what is is not wearing that has all the attention now.

The 49-year-old superstar has posed naked for a ‘candid’ photo, which was published on Vogue’s Instagram account.

Sitting in a chair with her limbs covering herself for modesty, the image shows she has nothing to hide.

Here's a little naked fact to ponder while Celine Dion changes looks between shows: for the past five years she has worn haute couture near exclusively for her own performances (in Las Vegas and on her current "mini-tour" of Europe). She performs a minimum two hours a night, five or six nights a week, dancing and curtseying and generally gesticulating sans abandon, in handmade, hand-beaded delicacies designed solely to walk a catwalk or a carpet (and often with handlers). For Celine's orders, the houses send teams to Nevada for typically three fittings, before the garments are ultimately finished in her local, private atelier. Armani Prive, Schiaparelli, Giambattista Valli, Versace…only a partial list. Everyone, basically. In Vegas, Velcro panels are added to allow for her ribcage to expand or for a quick outfit change. Micro straps of elasticized chiffon prevent a slit from becoming a sloppy situation mid-squat. Shoes—always heels, never platforms—are ordered one size smaller (she is normally a 38) and refitted with metal shanks. Says Celine, "We have to make haute couture industrial." And, more enigmatically: "The clothes follow me; I do not follow the clothes." Which is to say: the haute couture, with all its fragility and handcraft, has to perform professionally for Ms. Dion. And privately as well. Years ago, Celine bought a classic little black dress from the Christian Dior atelier when the house was overseen by John Galliano. It is simple, falling to mid calf, and narrow as can be with just a hint of stretch. It requires a minimum of jewelry, a statement bracelet or perhaps one of the major diamond rings she designed with her late husband Rene Angelil: two pear cuts set in a wide pave band, or two hearts of diamond and emerald abstractly interlocking, on a cushion of yet more diamonds. This LBD forces you to walk one foot in front of the other. This is a dress Celine knows well and clearly loves, the simplest evocation of the private luxury of couture and the total antithesis of the red carpet hoopla that attends the union of fashion and celebrity. It is also the dress she wore to Rene's funeral. #CelineTakesCouture Photo by @sophfei.

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Read more: Celine Dion’s latest extreme fashion choices explained

The post reveals how for the past five years Dion has worn haute couture near exclusively for her own performances.

‘She performs a minimum two hours a night, five or six nights a week, dancing and curtseying and generally gesticulating sans abandon, in handmade, hand-beaded delicacies designed solely to walk a catwalk or a carpet (and often with handlers),’ the post says.

It’s not the only image of the star Vogue has recently shared on their page, with the #CelineTakesCouture.

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Amongst them there is one of her surrounded by shoes, which talks about Dion’s thoughts on fashion.

Celine Dion is frustrated by fashion's current revolving door policy, the relentless firings and hirings at the top (amen to that!). She is concerned that "the dream" of elegance is disappearing, for as much fun as she had in her beloved Vetements Titanic sweatshirt (and we have Law Roach for that brilliant post-ironic gesture!), she believe in the magic of hats, gloves and total looks, of a world in which Lisa Fonssagrives could step from the pages of Vogue and through the doors of today's Ritz. Mostly she laments the red carpet hordes with the incessant questions about whose clothes and jewels one is wearing. "Mine" is her answer. Fashion is public for Celine; jewelry is personal. Sometimes, when she is at home in Las Vegas and missing her partner Rene, she slips on a caftan and all her jewels, and quietly retreats to her bath, sans children, sans fans, sans circus. #CelineTakesCouture Photo by @sophfei.

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Read more: Celine Dion rocks Paris Fashion Week with interpretive dance.

While it says she is concerned that the dream of elegance is disappearing, and believes in the magic of hats, gloves and total looks, she laments the red carpet hordes with the incessant questions about whose clothes and jewels one is wearing. ‘Mine’ is her answer.

But is the next comment that probably reveals the most about the singer.

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‘Sometimes, when she is at home in Las Vegas and missing her partner Rene, she slips on a caftan and all her jewels, and quietly retreats to her bath, sans children, sans fans, sans circus.’

What do you think of these ‘revealing’ Instagram posts?