Kelly Clarkson appeared on a season 5 episode of this fan-favorite drama — and now she's apologizing to the cast and crew.

"We're so glad you made our tree lighting event part of your holiday tradition," said Kelly Clarkson. These two icons shared the stage to treat audiences to their rendition of “Christmas (Baby ...

4 (UPI) --Kelly Clarkson will return to host ... there's nothing like it in the world. Especially the tree-lighting ceremony," Clarkson said. "I'm especially excited though, because for the ...

WASHINGTON, DC - DECEMBER 01: Singer Kelly Clarkson poses for a photo with Santa Claus backstage at the 94th Annual National Christmas Tree Lighting Ceremony on the Ellipse in President's Park on ...