As promised, here is the campaign imagery with Katy Perry and hair gurus at ghd. These images are SO Katy Perry...very punky and fun.
This 80's-inspired one is my favorite:
Katy looks like a vixen caught in an enchanted fairyland in this one:
And a look we don't see Katy in very often, with the boho hair style, but I like this on her:
The campaign was shot by David La Chappelle and styled by Johnny Wujek for ghd.