When told that “Ok. You got it” (she was referring to their photos) they wouldn’t move out of her way, blinding her with their flashes.
She responded by turning her back to the cameras and covering her face, even though she was giving what they’ve expecting – something that would eventually turn up into a story.
In the end she managed to get into her car and leave the scene.
Bottom line, it’s obvious those journalists paparazzi were just trying to provoke her. Sadly, Liam Hemsworth wasn’t there to protect her.