Move over, Megan Fox pictures from GQ.

Sure, you're hot - but with the help of the best top ever invented, Scarlett Johansson is making a run at your World's Most Beautiful Human title.

Seriously, whether you're a dude or Samantha Ronson, we challenge you not to ogle ScarJo in the photo below, in which she's getting her hair done for her Allure cover shoot. We can't believe this (lucky) guy could even concentrate ...

GREAT MOMENTS IN CELEBRITY FASHION: Whoever invented the garment worn by Scarlett Johansson here deserves props. And is probably in search of fresh pants.