Simon Cowell

Everyone laughed when he walked on stage, but NO ONE was laughing when he started singing!

Watch Diamond White's legendary X Factor audition. Her soulful cover of 'It's a Man's World' left Simon

They walked on stage looking like a joke, but the moment they started playing? TOTAL SILENCE.

At 77, Mel Day stepped onto the BGT stage and shocked the world. Watch the soul-stirring performance

Chris Kläfford traveled from a Swedish village of 15 people to stun AGT. Watch his soul-shattering version

16-year-old Owen Stuart moved 600 miles away from the girl he loved. His emotional X Factor audition

Jordan O’Keefe: The Teen Who Sang to Prove His Father Wrong (Watch the video at the very bottom)  

Maya Goff: The 12-Year-Old Who Dared to Sing Whitney Houston (Watch the video at the very bottom)  

Simon Cowell said the accordion was a "match made in hell," but then Rudy Mclean started playing.

Micky P Kerr: The Teacher Who Turned Grief into Giggles (Watch the video at the very bottom) When 36-year-old

Watch the emotional moment 23-year-old mom Rebecca Ferguson shocks the X Factor judges with her timeless voice.

Watch the unbelievable moment 18-year-old Jennel Garcia shocks Simon Cowell and Britney Spears with her