Pop acts on television this week include ‘American Idol’ castoff Lakisha Jones, who visits ‘Live with Regis and Kelly’ and ‘The Ellen DeGeneres Show’ on Monday; remaining ‘Idol’ finalists Jordin Sparks, Melinda Doolittle, and Blake Lewis, who along with last season’s ‘Idol’ winner Taylor Hicks, visit ‘The Tonight Show with Jay Leno’ on Monday; ‘Idol’ castoff Sanjaya Malakar, who visits ‘Rachael Ray’ on Monday; ‘Idol’ season one champ Kelly Clarkson, who performs on ‘The Ellen DeGeneres Show’ on Monday; Paula Abdul and Feist, who appear on ‘Jimmy Kimmel Live’ from a Santa Monica Big Blue Bus on Tuesday; Lindsay Lohan, who visits ‘The Tonight Show’ on Wednesday; Avril Lavigne, who performs on ‘Jimmy Kimmel Live’ on Wednesday; Lily Allen, who visits ‘Tavis Smiley’ on Wednesday; former The Cranberries singer Dolores O’Riordan, who performs on ‘The Tonight Show’ on Thursday and ‘Last Call with Carson Daly’ on Friday; Tori Amos, who performs on ‘The Late Late Show with Craig Ferguson’ on Thursday; Peter Bjorn and John, who perform on ‘The Tonight Show’ on Friday; and Maroon 5, who are musical guests on this weekend’s ‘Saturday Night Live’ season finale.