Delco's Arielle Baril Wows Crowd In 'America's Got Talent' Semifinals

Arielle Baril, the 12-year-old from Drexel Hill who has been competing this summer on NBC’s reality competition America’s Got Talent, wowed the audience on Tuesday night’s semifinals show, singing the opera classic “Nessun Dorma” by Luciano Pavarotti. Watch Arielle sing here: This season’s finalists will be announced Wednesday night.