Simon Cowell, Howie Mandel and Terry Crews ‘Sing’ ‘Nessun Dorma’ on ‘AGT’: Watch

Simon Cowell, 62, puts on an animated display as he poses with pal's dog at America's Got Talent

‘AGT’ Recap: Simon Cowell Declares One Jaw-Dropping Act The ‘Best’ Of The Season

Simon Cowell’s Fiancee Lauren Silverman Spotted Without Engagement Ring: See Every Photo