'Supergirl' Star Melissa Benoist Wanted To Be A Paleontologist Growing Up
Kelly and Gwen Stefani are Christmas fanatics, but which one of them loves Christmas the most? Comedian Bert Kreischer hosts a thrilling game of "The Chrismostest Hostess," which puts Kelly and Gwen's Christmas knowledge to the ultimate test. Will Kelly win, or will Gwen be another face added to Blake Shelton's Wall of Champions? Watch and find out.