On TV: Nick Lachey, Hilary Duff, Kelly Clarkson

Pop acts on television this week include a discussion on Britney Spears’ chances of staging a comeback on ‘The Early Show’ this morning; Nick Lachey, who performs on ‘The Late Late Show with Craig Ferguson’ on Monday; Christina Aguilera, who visits ‘Total Request Live’ on Tuesday and performs on ‘The Late Show with David Letterman’ on Wednesday and ‘Good Morning America’ on Friday; Paula DeAnda, who performs with Baby Bash on ‘The Late Late Show’ on Tuesday; Hilary Duff, who visits ‘TRL’ on Tuesday and ‘The Early Show’ on Friday; and on Sunday, the ‘Teen Choice 2006′ will air on FOX at 8 PM ET/PT, featuring Jessica Simpson as co-host and performances by Nelly Furtado, Kelly Clarkson, and with Kevin Federline making his debut TV performance, perhaps an appearance by his heavily pregnant wife Britney Spears.