But in Perry's take she wears the same blouse for more than three minutes. If that isn't a music video fashion crime, then we don't know what is.
And, no, we couldn't find a shirtless day player to push a lawnmower in our version, but Casper Smart's schedule is really packed these days.
So, without further ado, behold! Giuliana Rancic struts! Kelly Osbourne vogues! Joan Rivers fakes a heart attack...or does she?
You may also notice that we manage to show of off a couple of trends—well, a couple hundred trends—in a matter of seconds, including neon brights and animal prints.
Look closely and you may also catch a peek of Terry Richardson's stolen mustache. For the record, we hear that beer hall oompah chic is very hot for fall.