American Idol winner Kelly Clarkson will play herself in an upcoming episode of "Nashville." The expectant mother will record the song "Fade Into You" with characters Gunnar and Scarlett. The song was first performed by the pair on season one of the show. Clarkson recently sang the song during a concert in North Carolina. The episode featuring Clarkson is set to air on January 11."Nashville" airs on News 2 at 9 p.m. on Wednesday nights.