One Direction reveal trailer for This Is Us, the boys show a softer side and Zayn take his top off

One Direction fans everywhere will want to watch this sneak peak at what is bound to be the biggest film of the summer

Just when you almost forgot about this year's big blockbuster, those One Direction boys release a teaser trailer of their fly on the wall documentary This Is Us.

On Friday the new trailer premiered on Daybreak and in this one the boys show a softer side - heart breaker Harry Styles visits the bakers he used to work at and hugs various old ladies.

While Zayn Malik delights by simply taking his top off, scroll down

This trailer also focuses on the band's time in Japan, faced with all the weird and wonderful new cultures - as well as their sell-out performances.

The movie directed by film-maker Morgan Spurlock is giving an access all areas look on the insanely famous five-piece as they travel the world making teenage girls faint in excitement.

Niall Horan joked the cameras are following the band everywhere – even in the toilets at the BRIT Awards. Gross.

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Harry Styles is excited to give fans a backstage insight and insists they can't show off personality of the 'real them' in short interviews or 140 character posts on Twitter.

1D3D will hit cinemas in the UK on August 29 before infecting the US the next day.

Find out when This Is Us 3D is released in your country with the schedule according to IMDB below.

• Belgium (28 August)
• Argentina (29 August)
• Denmark (29 August)
• Netherlands (29 August)
• Peru (29 August)
• UK (29 August)
• Lithuania (30 August)
• Mexico (30 August)
• Romania (30 August)
• Spain (30 August)
• Sweden (30 August)
• Taiwan (30 August)
• USA (30 August)
• Italy (5 September)
• Norway (6 September)

• Chile (12 September)
• Brazil (13 September)
• Australia (19 September)
• Germany (19 September)
• New Zealand (19 September)
• Japan (1 November)
• Singapore (7 November)
• France (4 December)

Source: Mirror.co.uk & Youtube