On TV: George Michael, Mandy Moore, Ashlee Simpson

Pop acts on television this week include George Michael, who performs on ‘Today’ on Monday and ‘The View’ on Tuesday; Marc Anthony, who performs on ‘The Early Show’ on Tuesday; Mandy Moore, who appears on ‘On Air with Ryan Seacrest’ on Tuesday; ‘American Idol’ reject William Hung, who performs on ‘On Air’ on Wednesday; Ashlee Simpson, who appears on ‘Live with Regis and Kelly’ and ‘TRL’ on Wednesday; 98 Degrees star Nick Lachey, who appears on ‘The View’ on Thursday; John Mayer, who performs on ‘Last Call with Carson Daly’ on Friday; and Maroon 5, who performs on ‘Today’ on Friday.