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.
Sometimes actors are not acting.
We pay tribute to the Queen of Soul, Aretha Franklin, who passed away this week at the age of 76.
'Stage Fright' was released on August 17th, 1970.
We can't wait until the Fall for this gritty historic thriller.
From Robbie Williams to Olly Murs, these musicians are still football mad.
It's a far cry from The Beatles' 'I Wanna Hold Your Hand', but Paul McCartney has unveiled a risque new single entitled 'Fuh You'.
Which of Madonna's many hits do you think is the best?