Well, that's one way to get our attention!
But the pixie-haired babe one-upped all of her previous outfits at the "Catching Fire" photocall in Rome on Wednesday by wearing a sexy LBD that revealed a hint of sideboob. (Quelle scandal!)
Fortunately, JLaw kept it modest at the front; the black-and-tan Proenza Schouler featured a high neckline with turnlock silver hardware and a built-in leather belt.
Later that evening, the 23-year-old hid her sideboob from the world when she changed into a dramatic Christian Dior Couture gown at the "Catching Fire" Rome Film Festival premiere.
She's just being JLaw!
We can't get enough of Jen: