Kathy Beth Terry halloween costume?

Where can i buy a full costume for katy perry's alter ego, kathy beth terry?

i want the "after" version of her, when shes in the 80's attire. it looks like this

http://www.google.com/imgres?q=kathy+beth+terry&um...

if no one knows where i can buy the complete out fit, can you list places that might have seperate pieces ? like one place that will have the top, then the skirt, ect. thank you!

oh, if you know what kind of make up that was used too, that would be a big help! THANK YOU! :)