America's Got Talent season 14 winner Kodi Lee stopped by the finale of America's Got Talent: The Champions on Monday night's (Feb. 17) finale for an emotional rendition of Harry Styles' 'Sign of the Times' before the Mumbai, India-based dance troupe V.Unbeatable took home the season 2 World Champion title.But since the AGT franchise began in 2006, 16 acts have dominated the talent show competition series.