Sia performs her song 'Lentil' live at the Bat Bar in Austin, Texas. The track is from her fourth studio album 'Some People Have Real Problems', which she released in 2008 and became her first US Album Chart entry.
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.