John Legend and Chrissy Teigen's one-hour Nov. 28 Christmas special has rounded out its celebrity guest-stars. Thompson will make a "special cameo," Galifianakis will appear as a party guest while Wonder will perform his iconic music with Legend.
TOPICS: A Legendary Christmas with John and Chrissy, NBC, Chrissy Teigen, John Legend, Kenan Thompson, Stevie Wonder, Zach Galifianakis, Christmas, Holiday Programming