Who is the girl in the @Sia music videos?

Question

Who is the girl in the Sia music videos?

Answer

Sia’s dancer mini-me, Maddie Ziegler. 

Madison Nicole “Maddie” Ziegler (born September 30, 2002) [1] is an American child dancer, actress, and model. She is best known for appearing on Lifetime‘s reality series Dance Moms, and for her appearances in numerous music videos, including the videos for Sia‘s “Chandelier” and “Elastic Heart“.

Source: http://en.wikipedia.org/wiki/Maddie_Ziegler

Why did this come up

Watching “Chandelier” and “Elastic Heart” videos.

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