PHOTOS: Rihanna Gets a Visit From a Special Friend

During an album signing for Rated R last night in NYC at Best Buy, Rihanna had a very special visit from her friend Jasmina Anema, 6, who's suffering from leukemia. RiRi and Jasmina became friends last year after the singer heard from the little girl's mom and became involved in trying to help her find a bone marrow transplant.