Band are left standing for 15 minutes as stage engineers struggle to restore the sound
"No matter if you thought you didn't like our music, you actually probably do," the band's singer says
Singer Hayley Williams gave impassioned speech about belonging
Band are currently on Momentour with Fall Out Boy
Band copy his 'Believe' album cover as part of online prank
Artwork for Bieber's song 'We Were Born For This' compared to 2007 album 'Riot!'
Bands will embark on 'Monumentour' from June to August
The video sees two fans traveling from America to watch the band play
"I'm so excited to see this stuff surfacing because it's real" said the punk pop frontwoman
Hayley Williams and co showcase their new self-titled record at London's Roundhouse