Check out Taylor Swift's brand new music video 'Mine' from the new album Speak Out.

Taylor Swift's new single 'Mine' has been leaked online and has been rush released for online sale in the US.

"An unauthorized low-quality mp3 file of the single appeared online earlier today. As the low-quality file started to spread virally the decision was made to rush release “Mine" to iTunes and Country radio to ensure that Taylor’s fans were able to hear the single as she intended" said Swift's record company Big Machine Records earlier today."

Within hours of release to Country Radio in the US, the new track has jumped to #35 on the Billboard Country Radio singles chart.

UPDATE: The track has now also been rushed to Australian radio and online stores.

It's official...  Taylor Swift will release her third studio album, Speak Now  at the end of October.  She announced these details Tuesday with her fans on Ustream. 

The album's first single, 'Mine,' will be released around mid-August.

"Ever since we put out 'Fearless' I've been writing this one," said Swift, who added that "Speak Now" will consist of about 14 songs. "Through the past two years, I've been through a lot of things that I have been dying to write about and talk about. There were a lot of things that I wanted to say in the moment but couldn't, and this album is my opportunity to do that.

Swift co-produced the album with Nathan Chapman, whom she collaborated with on her first two albums.