The group announce final shows for 'RIOT!'
The Seattle festival keeps growing
Hayley Williams says new record is shaping up to be 'heavier'
Plus band reschedule UK dates
Gym Class Heroes, Angels And Airwaves also on bill
Emo stars claim their troubles are over
Emo-pop stars fly to US to solve band problems
Band will play tomorrow night (February 14)
Bands perform special duet at UK shows