America's Got Talent Susan Boyle to perform during 'America's Got Talent' season finale 09/14/2009 NBC has announced Britain's Got Talent runner-up Susan Boyle will perform during America's Got Talent's live fourth-season finale on Wednesday, September 16 at 8PM ET/PT. Read More RELATED NEWS Pamela Anderson helps roast former 'Talent' judge David Hasselhoff 'America's Got Talent' judge Piers Morgan gets engagedDavid Hasselhoff released from hospital, denying psych hold report TAGS: America's Got Talent The Voice Britain's Got Talent Susan Boyle
