Actress/singer LeAnn Rimes ("It's Christmas Eve"); actor Doug Jones ("Star Trek: Discovery"); singer Coffey Anderson discusses his show, "Country Ever After", and performs; chef Stuart O'Keefe makes whole roasted cauliflower; Ken Wingard makes a DIY advent calendar and styles a holiday table 3 ways; animal rescue expert Larissa Wohl shows must-have products for senior dogs, for adopt-a-senior-dog month; chef Todd English makes cheesy Brussels sprouts gratin; Orly Shani makes a DIY textured yarn Christmas tree;