Katy Perry's shared some fairly amusing posters 'teasing' her new video

Katy Perry's got a new video for 'Birthday' 'premier­ing' today and in honour of all that she's popped some mock flyers featuring all the various char­ac­ters onto the internet.

They're all fairly amusing so we've decided to plonk them in this news story one after the other in the name of 'content'.

Here's the first one:

And another:

Another:

Not long to go now:

Blimey:

So there we go.