For five seasons, Lifetime's show Dance Moms has tracked the lives of preteen girls and aspiring dancers at the Pittsburgh-based Abby Lee Dance Company. The most famous alum? Sia's go-to dancer Maddie Ziegler, 12. Now, two more cast members are set on stardom, but not as dancers -- they want to be pop stars.

Nia Frazier, 13, aka Nia Sioux

Musical Start: "I've always sang in the mirror."

Influences: "My favorite singers are Beyoncé, Rihanna and Meghan Trainor."

Subscribe to billboard biz to continue reading this article and thousands more.

Billboard.biz subscribers get:
  • 24/7 coverage of every genre and sector of the business with over 150 exclusive charts
  • Bulletin: Breaking stories, chart info and analysis sent directly to your inbox every weekday
  • Billboard Magazine iPad Edition: An enhanced version of the magazine with video, photo galleries and playable charts
  • Archives: A rich history of Billboard.biz articles and exclusive charts

Join now or Log In