Pretty Vicious are among the hottest property in music right now with high-profile gigs supporting the Manic Street Preachers at Cardiff Castle and a headline slot at Glastonbury.
But while you've probably heard all of the buzz surrounding the Merthyr band you may not know much about them quite yet as the teenagers are still very much the new kids on the block - with one of the members still at school.
So as Pretty Vicious prepare to entertain Manics fans at Cardiff Castle tomorrow (June 5), we bring you some facts about the band who look set to follow in the footsteps of the heroes they're supporting and hit the big time.