As Katy Perry sings, California "gurls" may be unforgettable with their daisy dukes, sun-kissed skin and Popsicle-melting abilities. But when the dough runs out, those gurls drop the "u," head east and end up as Colorado Girls, according to the music-video rip-off below. This tune has it all: Coors Light, Boulder dope, Tom Shane, American Furniture Warehouse, the Blue Bear, Red Rocks, Lakeside, WaterWorld, Casa Bonita, South Park and, of course, Colfax hookers. So lace your hiking boots and fill your Nalgenes up; we're gonna show Ms. Perry where the grass really is greener.