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Mackenzie Ziegler. Ziegler in 2018. Mackenzie Frances Ziegler (born June 4, 2004; age 19) is an American singer, actress, former dancer, and internet personality. [1] She appeared as a child for six years on the Lifetime reality dance series Dance Moms together with her older sister, dancer and actress Maddie Ziegler. [2] what about blaxian