Kelly Clarkson

Kelly is joined by Zac Efron, Missy Elliott, Shia LaBeouf and more.

From Lady Gaga to Roseanne Barr, revel in the best — and worst — renditions of 'The Star Spangled Banner' celebrities have to offer.

The two pop stars discussed body image on Clarkson's new talk show.

She's headed to Vegas!

Uh-oh, who doesn't know Kelly Clarkson?

The pop star is the latest celebrity encouraging her fans to hit the polls.