The American band - who are riding on the success of their seventh studio album 'WALLS' - will rock the Great Oak Stage at the London music festival on July 6, along with the 'Friends Like These' rockers and the signer/songwriter, who provided the vocals for Chase & Status' hit 'All Goes Wrong'.
Also announced to perform on the day are Local Natives,
Frightened Rabbit, Saint Motel, The Cactus Blossoms, Benjamin Booker and Billy Raffoul.
Legendary US alt-rock band Pixies and Nathaniel Rateliff + the Night Sweats are also on the bill.
The 'Waste A Moment' group cannot wait to come to the UK to perform for their British fans.
Kings of Leon's drummer Nathan Followill previously said of the gig: ''It's always a pleasure to party with our amazing fans at Hyde Park.''
Now approaching its fifth year, Barclaycard presents British Summer Time Hyde Park has been host to some of the biggest and best live acts since its debut in 2013. From The Rolling Stones to The Who, Neil Young to Stevie Wonder and Carole King to Taylor Swift.
BST also sees Phil Collins, The Killers, Green Day, Justin Bieber and Tom Petty & The Heartbreakers headlining in June, with more support acts expected to be announced in the coming months.
From their newest EP 'What Did You Think When You Made Me This Way', Nothing But Thieves drop the lyric video for their single 'Take This Lonely...
The Lumineers honour their friend and hero Tom Petty with a sensational cover of his 1996 song 'Walls' from the 'She's the One' soundtrack.
Watch Olly Murs get his nerd on as he blags his way into an exclusive Snoop Dogg party (where Rowan Atkinson is the bartender) in the video for their...
From 'Happy' to 'Banana Pancakes', these are soaked in positivity.
Mariah Carey is the picture of glamour in the black and white video for her brand new single 'With You'. It's the lead single from her forthcoming...
Eminem draws attention to the negative response his 2017 album 'Revival' received in the video for his latest song 'Venom'; a song recorded for the...
With the recent release of her third, very well received album 'Hunter' just behind her, Anna had plenty of relatively new songs to showcase.