On TV: Hilary Duff, Jennifer Lopez, Katharine McPhee

Pop acts on television this week include Hilary Duff, who performs on ‘The Tonight Show with Jay Leno’ on Monday, ‘Jimmy Kimmel Live’ on Tuesday and ‘The Ellen DeGeneres Show’ on Friday; Chris Sligh, who visits ‘The Morning Show with Mike and Juliet’ on Tuesday; Jennifer Lopez, who visits ‘The Ellen DeGeneres Show’ on Tuesday; ‘American Idol’ season five finalist Elliott Yamin, who performs on ‘Jimmy Kimmel Live’ on Wednesday; ‘Idol’ season five runner-up Katharine McPhee, who visits ‘Total Request Live’ on Wednesday; Maroon 5, who visit ‘TRL’ on Friday; and look for Kevin Federline on ‘TRL’ on Friday – the first TV appearance by K-Fed or Britney Spears since her rehab stint and their divorce finalization.