Maddie Ziegler had hoped to become a star - she just didn't know how soon that day would come. At just eight years old, she was cast on the hit reality TV show Dance Moms and quickly won the hearts of fans everywhere with her natural talent and determination. Soon, she was catching eyes all over - including those of pop superstar Sia, who handpicked her to star in the incredibly popular music video 'Chandelier'. The rest, as they say, is history.