On TV: The Cheetah Girls, Justin Timberlake, Jessica Simpson

Pop acts on television this week include the Cheetah Girls, who visit ‘Live with Regis and Kelly’ on Monday; former *NSYNC star Justin Timberlake, who visits ‘The Ellen DeGeneres Show’ on Monday; Jessica Simpson, who visits ‘The View’ on Tuesday, ‘The Early Show’ on Wednesday and ‘The Tonight Show with Jay Leno’ on Thursday; KT Tunstall, who performs on ‘Live with Regis and Kelly’ on Tuesday; Daniel Powter, who performs on ‘Live with Regis and Kelly’ on Wednesday; Elton John, who performs on ‘The Early Show’ on Thursday; and Teddy Geiger, who visits ‘Total Request Live’ on Thursday.