5 Seconds Of Summer guitarist Michael Clifford falls off the stage at the BBC 1 Radio Teen Awards, plus Justin Bieber performs What Do You Mean live.br Michael Clifford from 5 Seconds of Summer is on crutches after falling off stage at the BBC Radio 1 Teen Awards. Tags: Michael Clifford falls off stage during 5 .br Guitarist Michael Clifford from Australian band 5 Seconds Of Summer took a little tumble off stage at the BBC Radio 1 Teen Awards at Wembley Arena on .br Michael Clifford and Dan Howell get pranked by Pete Wentz (: From Nick apologises to Dan: .