The Hills star will sing her new single, Body Language, at the Miss Universe pageant later this month – and People.com has a listen of the song, which is also for sale on iTunes.
Click here to listen:
"I am so excited to perform ... at Miss Universe for my first ever live performance," Montag tells PEOPLE. "This is such a miracle in life and I give thanks to God everyday for this once in a lifetime opportunity."
Miss Universe will be crowned during a live broadcast from Paradise Island in the Bahamas on NBC Aug. 23. Billy Bush and Claudia Jordan will co-host the show. Flo Rida and Kelly Rowland will also perform.
Montag's self-titled album will be released Sept. 29.