Spot the Blonde

Don't anyone get their hackles up - This is advertisement at its professional level.
This is a perfect example of how lazy and devoid of "professional" in "professionalism" has become.

clipped from www.jumbojoke.com Below there's a photo from a magazine ad. Your task: figure out which one is the blonde before you scroll down to see the wider shot. Yes, there's a clue to help you Spot the Blonde. No, it has nothing to do with whether "the carpet matches the drapes" so get your mind out of the gutter! The blonde is the one with the wrong leg up.