<P> Madison Nicole Ziegler (born September 30, 2002), better known as Maddie Ziegler, is an American dancer, actress and model . She first became known for appearing in Lifetime's reality show Dance Moms from 2011 (at age 8) until 2016 . From 2014 to 2017, she gained wider fame for starring in six music videos by Sia, including "Chandelier" and "Elastic Heart", which cumulatively have attracted more than 3.8 billion views on YouTube . Ziegler has appeared in films, television and concerts, and has modeled on magazine covers and in advertisements for Capezio, Ralph Lauren and Target, among other brands . She was included by Time magazine on its list of the "30 most influential teens" in each of 2015, 2016 and 2017 . </P> <P> Ziegler was a judge on the 2016 season of So You Think You Can Dance: The Next Generation, toured with Sia in North America in 2016 and 2017 and toured in Australia with her sister, and later Sia, in 2017 . Her 2017 memoir, The Maddie Diaries, was a New York Times Best Seller . She voiced the character Camille Le Haut in the animated film Ballerina (2016) and appeared as Christina Sickleman in the feature film The Book of Henry (2017). Her social media presence includes an Instagram account with more than 11 million followers . </P>

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