Sia Sings "Alive" On "X Factor UK" (VIDEO)

Rocking her signature black and white wig, Sia recently took the stage to perform her latest single "Alive" on "The X Factor UK" . 






Sia, 39, was joined on stage by a Maddie Ziegler look-alike, rumored to be French dancer Julia Spiesser.

The artist also revealed she would be touring, but she is not absolutely certain when. 









"I don't know, maybe next year. I don't know," Sia said, adding: "I'm waiting for the right number."

Check out the video below…
 
 


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