Lorde Set to Release First 'Mockingjay' Song on September 29!

Lorde keeps it cool in some shades while making her way through McCarran International Airport on Saturday (September 20) in Las Vegas.

The 17-year-old songstress later hit the stage for her performance at the 2014 iHeartRadio Music Festival held at the MGM Grand Garden Arena.

PHOTOS: Check out the latest pics of Lorde

Lorde just recently teased the first song off The Hunger Games: Mockingjay – Part 1 soundtrack! It’s called “Yellow Flicker Beat” and we’ll be able to hear it on September 29! Check out the photo below!

In case you missed the news, Lorde is not only writing at least one song for the soundtrack, but she’s curating all the music as well!

FYI: Lorde is wearing Marc Jacobs sunglasses.

20+ pictures inside of Lorde walking through the Vegas airport…