One Direction US TV Show Appearances!

One Direction have performed their latest single 'Best Song Ever' on America's Got Talent.

The group took to the stage at New York's Radio City Music Hall during Wednesday's (August 28) semi-final results show in a prerecorded segment.

Host Nick Cannon asked the group about their behind-the-scenes movie This Is Us.

"I think it's a great chance for the fans to see what they want to see of us backstage and to see what happens behind closed doors," Harry Styles said.

Zayn Malik added: "There's plenty of topless scenes," to an uproar of screaming fans in the audience.

Earlier this week the boys also made a Today Show appearance to promote their new movie, which I might add is OUT NOW!