As the beehived "Rehab" singer exited the club, she met a veritable wall of paparazzi -- who welcomed her return from an almost under-the-radar visit to America.
Paparazzi then knocked on her car windows as she sat looking studiously bored in the backseat. They managed to get a brief eye roll from the aggressively mascaraed singer, whose look of ennui was capped off by a particularly gruesome lip stud.










