On TV: Mariah Carey, Fergie, Ashlee Simpson

Pop acts on television this week include:

‘American Idol’ castoff Michael Johns, who visits ‘Live with Regis and Kelly’ on Monday and ‘The Ellen DeGeneres Show’ on Friday.

Heidi Montag of ‘The Hills’, who visits ‘Total Request Live’ on Monday and ‘Live with Regis and Kelly’ on Wednesday.

Mariah Carey, who visits ‘The Oprah Winfrey Show’ on Monday, mentors the ‘American Idol’ finalists on Tuesday, and performs on ‘Idol’ on Wednesday.

Ingrid Michaelson, who performs on ‘The Tonight Show with Jay Leno’ on Tuesday.

Jordin Sparks, who performs on ‘Live with Regis and Kelly’ on Tuesday.

Naked Brothers Band, who perform on the ‘Today’ show on Tuesday.

Donnie Klang, who visits ‘TRL’ on Tuesday.

Fergie of the Black Eyed Peas, who visits ‘Live with Regis and Kelly’ on Thursday.

Ashlee Simpson, who visits ‘TRL’ on Thursday and performs on ‘Today’ on Friday.