The American stars have sold over 20 million albums, headlined festivals across the globe, performed at the White House and amassed countless prestigious accolades including BRIT, NME and MTV Awards.The band has enjoyed four chart-topping albums in the UK and are returning to the Vital stage after seven years to bring their Las Vegas lights to Boucher Playing Fields on Thursday 21 August.Joining them on the bill is one of the biggest breakthrough acts of the past year, Bastille, who burst onto the scene when their anthemic single Pompeii charted at number two.It went on to become the second most streamed track of 2013, just behind Daft Punk's Get Lucky.Sarah Shimmons, Beer Marketing Manager for Tennent's NI, said: "We're very excited to announce the first two artists for Tennent's Vital 2014 today. The Killers are undoubtedly one of the biggest bands in the world with a global reputation for their amazing live shows."They'll be joined on the bill by Bastille, who have enjoyed massive breakthrough success in the past year and are one of the most exciting new acts around right now.CHAR(13) + CHAR(10) CHAR(13) + CHAR(10)"Tennent's Vital brings top international and homegrown talent to the heart of Belfast and since its return in 2011, it has well and truly cemented its place as a highlight of Northern Ireland's music calendar."We're delighted that our partners at MCD have once again secured some incredible acts for the Tennent's Vital bill."CHAR(13) + CHAR(10) CHAR(13) + CHAR(10)Last year saw a top line-up including Kings of Leon, Snow Patrol, Avicii, The Vaccines and Tinie Tempah play to tens of thousands of music fans at Boucher Road Playing Fields, and this year's event is set to bring more of the world's top musical acts.CHAR(13) + CHAR(10) CHAR(13) + CHAR(10)Fans can get their hands on tickets for The Killers concert when they go on sale on Monday 31 March at 9am - details of priority tickets to be released on Saturday 29 March will be made available on the Tennent's Vital Facebook page.