Celine Dion plans to conclude her five-year stint at Caesar's Palace in Las Vegas by taping her show, "A New Day," for a television special and DVD, the producers of the show said Thursday. They did not indicate which network would air the special. According to a news release from the hotel, Dion's last performance will take place on December 15, but she'll return to the Colosseum, a $95-million theater built for her production, in January to tape the special.