JUST ADDED: 5 Seconds of Summer will be rocking the stage at this year's iHeartRadio Music Festival Village in Las Vegas! The band sat down with Ryan Seacrest to break the news. Click here to buy your tickets now, before they sell out!
Lena Dunham lip-synced while doing an interpretive dance to Sia’s ”Chandelier” on “Late Night With Seth Meyers,” as the singer herself performed laying face down on a bunk bed.
Dunham even wore a blonde wig similar to Sia’s haircut for the performance piece.
You have to see it for yourself.
Check out the video below!