The singer worked a rockabilly updo with a bit of a twist - so much so that the front roll was almost lopsided. She teamed the blue do with her staple lip colour - candyfloss pink - and a pair of lash-lengthening falsies.
So was she a bit too smurfette or did Perry's latest showstopping style win you over? Let us know by voting below and see more of the star in her perfect 10.
See which other stylish singer was spotted on stage at last night's awards show.