Madison Nicole Ziegler, known as Maddie Ziegler, is an American actress, dancer, model, fashion designer, and author. She's best known for her appearances on the Lifetime reality show Dance Moms from 2011–2016, and for starring in Sia's music videos "Chandelier" and "Elastic Heart". Ziegler's career began at the Abby Lee Dance Company, where she trained in ballet, tap, jazz, lyrical, contemporary, acro, and aerial dance.