LONDON » Justin Timberlake will be the headliner when the iTunes festival kicks off in September in London.

The superstar is among the acts slated for the annual music series, which will be held each night that month and streamed on Apple devices like the iPad, iPhone and Apple TV.

Fans can see it in person by winning tickets.

Others tapped to appear at the London festival include Thirty Seconds to Mars, Jack Johnson and Jessie J.

The festival, which has included acts such as Paul McCartney, Amy Winehouse, Coldplay and Adele, is entering its sixth year.