Pop acts on television this week include the Cheetah Girls, who perform on ‘The Tonight Show with Jay Leno’ on Monday; Paolo Nutini, who performs on ‘The Late Late Show with Craig Ferguson’ on Monday; Barry Manilow, who performs on ‘The Megan Mullally Show’ on Monday; Vanessa Hudgens, who visits ‘Total Request Live’ on Monday; Fergie, who visits ‘The Tyra Banks Show’ on Monday and performs with her Black Eyed Peas bandmate will.i.am; JoJo, who performs on ‘The View’ on Tuesday; Hilary Duff, who visits ‘The Ellen DeGeneres Show’ on Tuesday; Regina Spektor, who performs on ‘Last Call with Carson Daly’ on Wednesday; Nelly Furtado, who checks in via web cam on ‘TRL’ on Thursday; Backstreet Boys star Nick Carter and his brother Aaron, who visit ‘Jimmy Kimmel Live’ on Friday; Janet Jackson, who visits ‘The Ellen DeGeneres Show’ on Friday; and Lindsay Lohan, who visits ‘The Tonight Show’ on Friday.