The One Direction heartthrobs have unveiled an exciting new behind-the-scenes compilation that treats fans to a glimpse of what they got up to on their recent headlining tour of the U.S.

A message was posted to their official Twitter page earlier today (July 26) that explained the clip that had been shared was "Access 1D Part 2":

"Drumroll pleaseeeee... #Access1DPart2 is here!! Check it out below and make sure you tweet us your fave part!"

The short film is set to their hit single 'What Makes You Beautiful' and it shows the lads enjoying their time in the USA.

Katy Perry also makes an appearance in one piece of footage where she tells Niall Horan: "You're so cute, I love you so much! You made it!"

This afternoon, member Liam Payne told his 4.8 million followers that One Direction are back in the studio: "Studio timeeeee lets get workin on this albummm :)"

Watch the video in full below: