Kelly Clarkson and guests celebrate the holidays with a musical morality tale. Appearing: Blake Shelton; Reba; Trisha Yearwood; Jay Leno; Matt Lauer; Robin Williams; Whoopi Goldberg; William Shatner; Danica Patrick; Heidi Klum; Ken Jeong; and Jai Rodriguez. Songs include "Silent Night" and "White Christmas."
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TVGuide.com editors break down theories about what's coming up on The Walking Dead