Dancer who gained national attention as a top performer on the Lifetime reality series Dance Moms. She appeared in the music videos for the Sia songs "Chandelier" and "Elastic Heart." In 2017, she starred as Christina in the film The Book of Henry.
She was the first dancer to be at the top of the pyramid in Dance Moms.
In 2017 she released her own clothing line called Maddie Style.
She has a younger sister named Mackenzie and two half brothers, Ryan and Tyler. Her mother is Melissa Gisoni and her father is Kurt Ziegler. She began dating Instagram star Jack Kelly, and the two went to Disneyland together in April of 2017.
She competed against Brooke Hyland on Lifetime's Dance Moms.