She's 13/14 years of age. According to the comments, the judge/s who turn around in the chairs are indicating they wish to work with the contestant further for the contest as a coach (it's not a quality indication, just that they wish to support them).
In 2012, documentary filmmakers Justin Weinstein and Tyler Measom began work on An Honest Liar, a profile of the life of “The Amazing” Randi, as he embarks on a series of public crusades to expose America’s beloved psychics, mentalists, preachers, and faith healers with religious fervor.
NSFW! Judith Lucy's new series is great - also (incidentally) features Amanda Palmer fighting for feminism. In a tub of jelly. Seriously though, I'm hooked and if you're in Australia, it's on ABC and clearly people are putting it online. I encourage supporting the ABC's broadcasting of the show. I've now had numerous conversations about the content and I hope you will too! https://www.youtube.com/watch?v=ifA5uHUygWA
You've heard about slow food. Now here's slow ... TV? In this very funny talk, Norwegian television producer Thomas Hellum shares how he and his team began to broadcast long, boring events, often live — and found a rapt audience. Shows include a 7-hour train journey, an 18-hour fishing expedition and a 5.5-day ferry voyage along the coast of Norway. The results are both beautiful and fascinating. Really.
Heroes of 2014: Danielle George, the scientist encouraging kids to take things apart. The Manchester University professor will explain how to hack everyday objects in her Faraday Christmas lectures. http://gu.com/p/448dc/stw