'America's Got Talent' Season 17 Kicks Off Live Rounds With Some Epic Performances -- See the Best Acts!

Sofia Vergara cuts a chic figure in a black camisole as she arrives to film America's Got Talent

Nolan Neal, 'America's Got Talent' Contestant,' Remembered by Simon Cowell After His Death: 'Gone Too Soon'

Heidi Klum flashes toned legs in a short dress as she arrives to a taping of America's Got Talent