WATCH: 14-Year-Old Irish Girl Shocks Britain's Got Talent Judges With Her Performance

Leah Barniville, who nervously took to the Britain's Got Talent stage while her family looked on emotionally from the audience, wowed the judges with her classical singing talents.

The 14-year-old sang Caruso by Lucio Dalla, and her performance was called 'flawless', 'controlled', and 'beautiful' by the judges who all gave her a standing ovation.