Popsugar Entertainment America's Got Talent Mackenzie Singing "Faithfully" on America's Got Talent Video AGT: Simon Cowell Defended This Singer's Soulful Performance, and Damn, We're in Tears 31 July 2019 by Quinn Keaney View On One Page Photo 2 of 3 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Previous Next Start Slideshow America's Got TalentTV