Chatting with Mackenzie Ziegler About Her Holiday-Inspired Activewear Collection with Justice

If you looked up #GirlBoss in the dictionary, chances are there’d be a giant picture of Mackenzie Ziegler. The 13-year-old captured our hearts when she posed for pics with older sister Maddie during Maddie’s 2015 Dance Spirit cover shoot, and since then, has totally come into her own. These days, Mackenzie’s been busy with her […]