Kelly Clarkson's mad for plaid, and more Celeb SightingsKelly ClarksonTaylor Hill / Getty Images ContributorOct. 9, 2013, 7:39 PM UTCBy TODAY staffGetty Images EuropeSlideshow 37 photosCelebrity SightingsKelly Clarkson visits SiriusXM, Paris Hilton releases her new single, Miley is on 'Fallon,' and more.Print