Last night, Danny Elfman hosted his annual Nightmare Before Christmas live-to-film concert for the first time in three years, and this edition featured a very special guest: Billie Eilish performing as everyone’s favorite stitched up ragdoll, Sally. Dressed the part, Eilish sang the haunting track “Sally’s Song” before coming back out to perform the duet “Simply Meant To Be” with Elfman, who plays Jack Skellington in the film. Watch both performances below. [embedded content][embedded content] [embedded content][embedded content] Eilish’s involvement was announced earlier this month by Elfman. “Weird Al” Yankovic also joined this year’s cast as Lock, and Ken Page reprised his role as Oogie Boogie. The event sees cast members perform numbers from the movie in real time as the film plays beh...