Mackenzie Ziegler (born June 4, 2004) is an American dancer, singer, actress and model. She is best known for appearing for six years on Lifetime's reality dance show Dance Moms and is the younger sister of dancer and actress Maddie Ziegler. Ziegler has also appeared on other television programs, including the sitcom Nicky, Ricky, Dicky & Dawn, has modeled for Polo Ralph Lauren, and her social media penetration includes more than 8 million Instagram followers, 9 million Musical.ly fans and 1.5 million YouTube subscribers. Her 2014 album, Mack Z, and its lead single both reached the top of the iTunes charts. In 2017, Ziegler traveled in Australia on a dance workshop tour with her sister and then gave concerts in North America and the UK in a singing tour with Johnny Orlando. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.