'America's Got Talent': Mel B hits Golden Buzzer for singing U.S. Army Sgt. Isaac Atkins

America’s Got Talent: ‘America’s Got Talent’: Mel B hits Golden Buzzer for singing U.S. Army Sgt. Isaac Atkins. America’s Got Talent featured Melanie “Mel B” Brown hitting the Golden Buzzer for an Army singer, Sgt. Isaac Atkins, during the Season 21 episode that aired Tuesday night on NBC.