One Direction have released a full trailer for their upcoming 3D film.

The band recently issued a short promo clip for their first ever movie 1D In 3D, which is due to be released in August.

The group have now released a fuller trailer, which sees the boys go topless and lark around on tour.

The band, however, can be seen showing their more emotional side, with Zayn Malik for example on the brink of crying as he phones home.

Super Size Me director Morgan Spurlock is overseeing the project, which will see One Direction hit the big screens for the first time.

As previously reported, Harry Styles recently suggested in an interview that he is on the look out for love.

The star had a brief fling with country-pop star Taylor Swift late last year but the pair are said to have broken things off after a heated argument.