Clarity Zedd feat. Foxes Download 'Clarity' on iTunes
Katy Perry has talked about her quick change on tour.
She told Bliss that she loves the quick clothes change in between routines.
Katy said:' There's Velcro being ripped off and stuff getting strapped onto me.
'On my 'Hurricane' your I wore a different outfit every night. That was crazy and not cheap.'