Question: does simon do agt and bgt?
Answer: He has judged on the British television talent competition series Pop Idol (2001–2003), The X Factor (2004–2010, 2014–present) and Britain's Got Talent (2007–present), and the American television talent competition series American Idol (2002–2010), The X Factor (2011–2013), and America's Got Talent (2016–present).