16-year-old Nene Royal is taking the internet by storm with her own renditions of popular rock songs on America's Got Talent... and Howie Mandel says it's unlike anything he's EVER seen in his 16 years on the show 🤯 New episodes of America’s Got Talent air Tuesdays and Wednesday at 8pm on NBC! #americasgottalent #neneroyal #howiemandel