Last week Katy put out a video version of her chart topping "Birthday" that was nothing but a fat kids dream full of Cookie Cakes and Pies, each lyric spelled out in icing and candy.

Katy only appeared in the last 15-30 seconds in a bakers uniform, flour on her nose and a very sexy "Happy Birthday" kiss for us.

Now we have the real deal version in which Katy and her team took real video of real people's birthday parties and spiced them together.It's not your average music video; its 8 minutes long and features her in different disguises going to birthday parties and ruining them .

It's not the sexy video that you would expect from a song that is full of sexual innuendo. "I wanna get you in your birthday suit and give you my big big balloons"

Check it out:

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