When you're a globally successful pop star, the only logical Halloween costume for you is another globally successful pop star - right?
At least that's what Kelly Clarkson thought, as she donned a large blonde wig and took to Facebook to livestream her singing one of the Aussie star's biggest hits.
In fairness to Clarkson, while she may not look like Sia, she can belt out 'Chandelier' with just as much gusto.
Watch it below (click image to play):
