This happened last night as she and Nicholas Hoult left a nightclub in London. Less subversive than doing it at the Oscars, but also way less cheeky. This time, J. Law is (understandably) angry!
Here's another snap of her trying to cover her face:
Predictably, people on Twitter love it:
This user raises an interesting question, though: Is JLaw the only female celebrity who can pull something like this and get away with it? What backlash?
And just in case you wanted to relive the glorious first instance here.
Image via @jenperfectlaw.