A host of new names have been added to the line-up for this year's Capital FM Summertime Ball.

The event is taking place on June 9 at London's Wembley Stadium and already announced acts include Jessie J, Taylor Swift and will.i.am.

A fresh batch of names have today (April 25) been confirmed to play at the event, with Union J, Rizzle Kicks, Psy, James Arthur and Rudimental all announced.

They are joined by Loveable Rogues, Duke Dumont, Wiley, AlunaGeorge, Disclosure and Charlie Brown as the bill takes shape.

As previously reported, the event will be hosted by US star Justin Timberlake.

Tickets for the Summertime Ball are now on sale.