One Direction Performs "Best Song Ever" on "America's Got Talent"

One Direction Performs

Making the promotional rounds before the release of their film, One Direction made an appearance on Americas Got Talent on Wednesday night (August 28).

The British Boy band performed their latest hit Best Song Ever to a crowed of screaming fans who sang along to every word.

On Sunday, the same song took home a Moonman trophy at the MTV Video Music Awards for Best Summer Song.

It wont be long until Direction-ers get a peek into the lives of Harry, Niall, Liam, Zayn and Louis, as their documentary One Direction: This is Us hits theaters on Friday, August 30.