We're not used to seeing more of Sia than the lower half of her face beneath an oversized wig - but after a gross invasion of privacy, some unscrupulous sort wanted us to see more.

As she revealed on Twitter in the early hours of this morning, the Australian pop star had been photographed naked and someone was trying to sell the pictures of her.

Instead, she responded in the best way imaginable, as you'll see below...

 

Fans responded in support of her...