In an excerpt from 'Celebrity Inc.,' the contestants are held up to the microscope
Other confirmed acts include Kelly Clarkson, Jason Aldean, Bruno Mars
'American Idol' singer will join Madonna, Blake Shelton and Miranda Lambert on the broadcast
Clarkson sings 'Stronger (What Doesn't Kill You)' during her third stint on SNL
Performers face small fee for changing lyrics of national anthem
Pop star says she does not share the Republican's views on gay rights and the death penalty
Annual TV special features stirring performances, Winehouse tribute
Kelly Clarkson, David Guetta, Pitbull, Demi Lovato and more bring Top-40 radio to Madison Square Garden
Taylor Swift, Nicki Minaj, Katy Perry and more
Clarkson sings a bluesy rendition of 'I Know You Won't' on 'VH1 Unplugged'
Plus: New dates from Kenny Chesney and Tim McGraw, Noel Gallagher and Rammstein
Also: Stream new music by Tom Waits, R.E.M., Coldplay, T.I., Justice and more
Singer plays free show for fans at L.A.'s Troubadour
Singer performs new single 'Mr. Know It All'