They join a line-up including Taylor Swift, Ed Sheeran, Sam Smith, Liam Gallagher, Beck, The Shires, Manic Street Preachers, J Hus, Snow Patrol and more.
On the late May bank holiday from May 25-28, artists will perform in four cities across four nations, in Belfast, Coventry, Swansea, and Perth.
The four venues hosting The Biggest Weekend are Titanic Slipways, Scone Palace, Singleton Park, and War Memorial Park.
The Biggest Weekend will be broadcast on TV, radio and online and will celebrate the extraordinary breadth and diversity of music across the BBC.
By Allison Miller