On TV: Mariah Carey, Justin Timberlake, Ryan Cabrera

Pop acts on television this week include Mariah Carey, who visits ‘Total Request Live’ and ’106 & Park’ on Tuesday; Lisa Marie Presley, who performs on ‘The Tonight Show with Jay Leno’ on Tuesday and ‘The Ellen DeGeneres Show’ on Wednesday; Justin Timberlake, who promotes his William Rast clothing line on ‘Today’ and ‘TRL’ on Wednesday; Ryan Cabrera, who performs on ‘The View’ on Thursday; Fiona Apple, who performs on ‘The Tonight Show’ on Thursday; James Blunt, who performs on ‘Today’ on Thursday; No Doubt singer Gwen Stefani, who promotes her L.A.M.B. clothing line on ‘Today’ on Thursday; Jennifer Love Hewitt, who visits ‘The Tonight Show’ on Friday; Michelle Branch, who performs with Santana on ‘The View’ on Friday; and Ricky Martin, who visits ‘The Ellen DeGeneres Show’ on Friday.