AUDIO: First Listen - Katy Perry Teases New Tunes 'Dark Horse' and 'Walking On Air'

Get More: 2013 VMA, Artists.MTV, Music

Get More: 2013 VMA, Artists.MTV, Music

Katy Perry announced today that fans can vote for which of her new songs -- "Walking On Air" or "Dark Horse" -- will come out first on iTunes, September 17th. Both tracks are included on her new album PRISM. Click below to listen a 30-second clip from each tune!

Pepsi and MTV are partnering to conclude the 2013 "MTV Video Music Awards" with a finale in which Perry will perform her new worldwide single, "Roar," live from an undisclosed location in Brooklyn when the VMAs air tomorrow, August 25 at 9pm ET/PT.

No stranger to the VMAs stage, Perry has won four MTV Video Music Awards, including the highly-coveted, "Video of the Year" for her #1 worldwide smash-hit, "Firework," and performed her hit "I Kissed a Girl" at the 2008 show as well as a stellar cover of Queen's rock anthem "We Will Rock You" with Aerosmith's Joe Perry in 2009.

Perry's new album PRISM is set for release on Tuesday, October 22.

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