Mackenzie Ziegler is a ten year old girl dancer from Dance Moms. Her older sister is Maddie Ziegler who is a twelve year old dancer also on Dance Moms. Maddie and Mackenzie are Abby's (dance teacher) favorite dancers in her studio. Mackenzie and Maddie are known for there dancing and music. Mackenzie has two songs and Maddie has featured in all of Sia's music videos.
