Either she forgot she had it on, or Rihanna has a really twisted sense of humor.
Either way, the singer posed for photo with some children when she left her hotel in New York on Saturday night wearing a nice "F**k You" necklace.
Maybe it's just part of her "Rockstar 101" persona? Somehow, we're guessing the kids' parents won't be putting this image up on the fridge ...
NECKLACE MALFUNCTION: Hey, it happens. [Photo: PacificCoastNewsOnline.com]