The gift-giving special, airing from Tuesday, Dec. 10 through Thursday, Dec. 14, will feature guest appearances by a number of celebrities, who will deliver "heartwarming" presents. They include Obama, Aniston, Robert Downey Jr., Jason Momoa, Sterling K. Brown, Justin Timberlake and Chrissy Teigen
TOPICS: Ellen DeGeneres, NBC, Ellen's Greatest Night of Giveaways, Christmas, Holiday Programming