By Jessica Wedemeyer
Katy Perry has rocked more hairstyles in two years than most of us will in a lifetime. But we promise, it won't take a lifetime to look back at Katy's best and worst hairdos.
RELATED: Katy and more Grammy nominees face off
DO look pretty and youthful with long loose waves and minimal makeup, like Katy Perry did at an event in Los Angeles in April 2013.
© 2015 Whalerock Industries