NU-metal stalwarts Papa Roach are among more than 50 new acts announced for this year['s Reading and Leeds Festivals.

Also among those joining headliners Paramore, Queens of the Stone Age, Arctic Monkeys and Blink 182 at the festivals, which run across the August bank holiday weekend, will be Pulled Apart By Horses, Young Guns, Twin Atlantic, Mallory Knox and Gogol Bordello.

The full list of acts added to the bill is:

Blood Red Shoes
Crossfaith
Dry the River
Pulled Apart By Horses
Gnarwolves
Papa Roach
Young Guns
Tonight Alive
The Story So Far
Twin Atlantic
Mallory Knox
Lonely The Brave
The Horrors
The Kooks
Twin Shadow
Duke Dumont Live
AlunaGeorge
Gesaffelstein
The Glitch Mob
Borgore
Adventure Club
Snakehips
Electric Youth
Gogol Bordello
Brody Dalle
Möngöl Hörde
Architects
Band Of Skulls
Palma Violets
Augustines
A Wilhelm Scream
Baby Godzilla
Bear Hands
Bipolar Sunshine
Catfish And The Bottlemen
Darlia
Dave Hause
Every Time I Die
Hudson Taylor
Marika Hackman
Mayday Parade
Meridian Dan
P Money
PUP
Slaves
The Districts
The Flatliners
The Front Bottoms
The Orwells
The Skints
The Wonder Years
Touché Amoré
Wovenwar

For the full lineup and to buy tickets, visit readingfestival.com and leedsfestival.com.