Kelly Clarkson on Carrie Underwood 'Beef,' 'Since U Been Gone' Truth, 'Destroying' German Bathroom

Nobody keeps it real like Kelly Clarkson, and she was once again absolutely fearless in putting it all out there during her latest appearance with Andy Cohen on "Watch What Happens Live." Well, almost all of it. In her defense, Andy really likes to make his guests squirm when they play "Plead the Fifth," and he really set Kelly up to stick her foot in her mouth and maybe even swallow it with his first question. She's previously talked about how celebs were rude to her coming out of "American Ido...