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We never see her face, but it seems Sia has no problem showing her fans other parts of her banging body. Fans of the singer were in for...

Sia posted a nude photo of herself showcasing her bare buttocks on Twitter

We never see her face, but it seems Sia has no problem showing her fans other parts of her banging body.

Fans of the singer were in for a treat on Tuesday night after Sia posted a nude photo of herself showcasing her bare buttocks on Twitter.

She's definitely got something to show off.

"Someone is apparently trying to sell naked photos of me to my fans," she tweeted with the photo. "Save your money, here it is for free. Everyday is Christmas!"

What exactly was this in response to?

The 41-year-old popstar had gotten wind that people trying to sell the naked shots of her online.

Sia took matters into her own hands and offered the nude shots up for free.