One Direction Reveal 'Best Song Ever' Video Teaser!

As Liam Payne's character in the promo is unveiled on Twitter...

One Direction have previewed a teaser video for their new single, Best Song Ever.

Following the release of a series of snaps from the promo - which show Niall Horandressed as an older gentlemen - the lads have now unleashed a short clip, unveiling the Irish singer's character as studio executive Harvey.

in the teaser, Niall - or Harvey - is seen exclaiming: "Will Smith? Tell him I'll call him back."

The other lads also appear in the video, with each one of the boy band members being made up in prosthetics to play a variety of different characters.

Following Niall's character reveal, the official One Direction Twitter account will release a snap of each band member in the next few days, leading up to the video premiere.