On TV: Mariah Carey, Celine Dion, Britney & K-Fed

Pop acts on television this week include a visit to Mariah Carey’s Grammy party on ‘The Tyra Banks Show’ on Monday, where Tyra also interviews Britney Spears and hubby Kevin Federline; the Pussycat Dolls, who perform on ‘The View’ on Monday; Celine Dion, who visits ‘The View’ on Friday; ‘Idol’ alumni Ryan Starr, Tamyra Gray, Kimberly Caldwell, Mikalah Gordon, Matthew Rogers, Anthony Fedorov and Vonzell Solomon appear on ‘The Tyra Banks Show’ to size up the new season and perform; and the ‘TRL Awards’ on Saturday feature appearances by Mariah Carey Madonna, and Ashlee Simpson.