Katy Perry: Fans can now begin countdown to Roar music video release

Fans of Katy Perry can now begin the countdown to the release of her highly anticipated music video for "Roar".

On her Twitter, the pop star published a poster in the style of major film productions of the 40's and 50's, she appears hanging from a vine with a spear in her hand, in the style of "wild woman".

Besides, the picture bears the date in which fans finally can watch the music video in full: Thursday, September 5. In the same month, on the 17th, Katy will officially release the second single from her new album "Prism", the track titled "Dark Horse".

Check out the poster and the preview of "Roar" below: