Overview: "The Great Christmas Light Fight" hosts, Taniya Nayak and Carter Oosterhouse, are going head-to-head in their annual holiday décor tip-off. They're sharing four DIY tips, including how to flock a Christmas tree using materials you probably already have at home! In the kitchen, Rachael is making the perfect stuffed omelets for brunch. Plus, a special holiday performance of "Have Yourself a Merry Little Christmas" by Shaggy.