The 36-year-old comedian announced Monday that he would not be returning to the NBC talent competition show after a run-in with NBC. Former host: Nick Cannon while arriving at La Guardia Airport in New York City on Thursday said he was resolved to ‘stand my ground’ after quitting America’s Got Talent ‘My dignity, my integrity is worth so much to me,’ Cannon said while looking dapper in a tan vest and matching trousers with a light brown overcoat.