Photo credit: Phil Lewis
View All: Elf the Musical Gala Night
Next Wendi Peters Slideshow: 3 Little Pigs VIP Performance - London United Kingdom - Thursday 6th August 2015
The singer introduced "the next generation" in Iceland.
Jack Antonoff hears a ''female voice'' in his head when he writes music.
The show will be seen by everybody at the same time.
The Scottish comedian has been speaking about gaining a knighthood in the Queen's Birthday Honours List.