On TV: Jessica Simpson, Kelly Osbourne, Dido

Pop acts on television this week include Jessica Simpson, who appears on the Late Show with David Letterman on Monday; Kelly Osbourne, who appears on Live with Regis and Kelly on Monday, Last Call with Carson Daly on Wednesday, and she visits her mom’s Sharon Osbourne Show on Thursday along with Elton John; *NSYNC star Joey Fatone, who appears on the Wayne Brady Show on Tuesday; Boomkat, who appear on the Sharon Osbourne show on Tuesday; Dido, who appears on the Tonight Show with Jay Leno on Wednesday, the Late Late Show with Craig Kilborn on Thursday, and the Ellen DeGeneres Show on Friday; Wade Robson, who appears on the Sharon Osbourne Show on Wednesday; Michelle Branch, who appears on Last Call with Carson Daly and MTV’s Total Request Live on Wednesday and The View on Thursday; John Mayer, who appears on the Late Show on Friday; and look for Holly Valance on TRL UK sometime this week.