America's Got Talent Mel B walks off 'America's Got Talent' stage after Simon Cowell joke 08/23/2017 Mel B walked off stage on Tuesday's live episode of "America's Got Talent" after Simon Cowell made a joke at her expense. Read More RELATED NEWS Heidi Klum gets close to Tom Kaulitz in MexicoSimon Cowell returns home from hospital with big smile after bad staircase fall Simon Cowell rushed to hospital in ambulance after falling down stairs in London home TAGS: America's Got Talent Simon Cowell
