Dance prodigy Maddie Ziegler gives advice to teen girls, gets surprise from Sia “She always has silly nicknames for me,” Ziegler said of Sia. By ABC News. March 7, 2017, 9:36 AM.

Maddie Ziegler is trying to make the best of social media in order to connect with her fans, but the 18-year-old admitted that's becoming increasingly difficult because of the rampant negativity.