X Factor stars One Direction have finally announced details on their forthcoming debut single. 

Speaking in a specially made YouTube video, the five-piece boyband revealed that their first single will be called 'What Makes You Beautiful' and is due for digital release on September 11, with the physical release following the day after. 

The track is set to come with a B-side, entitled 'Na Na Na', and perhaps more impressively the release is already at No.2 on the iTunes album chart due to a phenomenal amount of pre-orders. 

Watch the group unveil the exciting news below: