For the first time ever, Belfast's Tennent's Vital has been extended to a three-day event.

Swedish house guru, Avicii, will be joined by Tinie Tempah, Rudimental and Tommy Trash at the Boucher Road Playing Fields on Friday August 16.

Wednesday's headliners Kings of Leon will be joined by UK indie-rockers The Vaccines while Jason Mraz, Kodaline and Foy Vance, join hometown favourites Snow Patrol onstage on the Thursday.

Tickets for Day 1 and 2 are available from Ticketmaster and tickets for Day 3 go on sale this Friday at 9am.