One Direction have unveiled an acoustic version of their new single online.

The band have just released the song 'Steal My Girl' as the first official tune from upcoming album 'FOUR'.

The physical CD version of the single features an acoustic version of the track and it has now been uploaded online.

The song received an at times mixed reaction on YouTube, with one user commenting:

"Too manufactured. This isn't a real acoustic. Same vocals, just took our guitar and drum loops. I want a REAL, RAW one. With non edited vocals because I know they can all sing perfectly fine without all this junk, like in the Happily acoustic."

One Direction's 'FOUR' meanwhile will be released on November 17.

It will also feature the tune 'Fireproof', which was given away as a free 24-hour download last month.

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