Merry holiday moments from Disney theme parks around the world and a star-studded cast of entertainers will launch a “25 Days of Christmas” countdown when “The Wonderful World of Disney: Magical Holiday Celebration” airs Thursday, Nov. 30, 2017, from 9:00–11:00 p.m. EST on The ABC Television Network. The magical two-hour event will be hosted by Emmy® Award-winner Julianne Hough, multiplatinum recording artist and television personality Nick Lachey, and sports star, broadcast correspondent and commentator Jesse Palmer.  The show will give viewers a front-row seat to a Disney Christmas party…