On TV: Kelly Clarkson, Lady Gaga, Katy Perry

Pop acts on television this week include:

Allison Iraheta, who visits ‘Live with Regis and Kelly’ (ABC) and ‘The Ellen DeGeneres Show’ (Syndicated) on Monday.

Kelly Clarkson, who performs on ‘The Tonight Show with Jay Leno’ (NBC) on Tuesday and ‘The Ellen DeGeneres Show’ (Syndicated) on Thursday.

‘American Idol’ (FOX) features performances by Jordin Sparks and Katy Perry on elimination night, while judge Simon Cowell makes an appearance on ‘The Oprah Winfrey Show’ (Syndicated) on Monday and fellow judge Paula Abdul appears on ‘Jimmy Kimmel Live’ (ABC) on Tuesday.

Lady Gaga, who appears on ‘The Ellen DeGeneres Show’ (Syndicated) on Tuesday.

Brett Dennen, who appears on ‘Last Call with Carson Daly’ (NBC) on Wednesday.

Jewel, who performs on ‘Live with Regis and Kelly’ (ABC) on Wednesday.

Operation Aloha, who appear on ‘Last Call’ (NBC) on Thursday.

Friendly Fires, who appear on ‘Last Call’ (NBC) on Friday.