https://en.wikipedia.org/wiki/Maddie_Ziegler

Madison "Maddie" Nicole Ziegler (born September 30, 2002) is an American dancer, actress and model who achieved wide notice at an early age. She first became known for appearing in Lifetime's reality show Dance Moms from 2011 (at age 8) until 2016. From 2014 to 2016, she gained wider fame for starring in five music videos by Sia, including "Chandelier" and "Elastic Heart", which cumulatively have attracted more than 2.9 billion views on YouTube. She also has toured with Sia. Ziegler has guest-starred on scripted shows, danced on various TV shows and at concerts, and has been seen on magazine covers and in feature articles. She has modeled for Capezio, Ralph Lauren and Target, among other brands. Ziegler was included by Time magazine on its list of the "30 most influential teens" in each of 2015 and 2016.

Ziegler was a judge on the 2016 season of So You Think You Can Dance: The Next Generation and is on tour with Sia in late 2016. She is expected to make her feature film debut in The Book of Henry (2017).

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Madison Nicole Ziegler (/ˈzɪɡlər/ ZIG-lər; born September 30, 2002) is an American dancer, actress and model. She was initially 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 a series of music videos by Sia, including "Chandelier" and "Elastic Heart", which cumulatively have attracted more than 5 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, Fabletics 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.

Ziegler was a judge on the 2016 season of So You Think You Can Dance: The Next Generation, toured with Sia in North America and Australia in 2016 and 2017 and toured in Australia and New Zealand with her sister, Mackenzie, in 2017 and 2018. Her 2017 memoir, The Maddie Diaries, was a New York Times Best Seller.[1] 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 13.5 million followers.[2]

https://en.wikipedia.org/wiki/Maddie_Ziegler