Christian Guardino, Semi-Finals 2

Also available on the NBC app

The humble 16-year-old takes on a Motown classic.

Available until 09/12/18
Appearing:Tyra BanksHeidi KlumHowie MandelMel BSimon Cowell
Tags: agt, America's Got Talent, AGT live shows, agt live performances, agt season 12, agt new episodes, america's got talent live, Simon Cowell, mel b, Heidi klum, Howie Mandel, Tyra Banks, christian guardino live, christian guardino, christian guardino agt, christian guardino
S12 E213 minHighlightReality and Game ShowPrimetime