Rihanna Helps N.Y.C Mom Find Bone Marrow Donor

Feb 23, 2008 - It's been a busy week for Rihanna, but when the Grammy-winning singer learned about a leukemia-stricken New York City mom of two who desperately needs a marrow transplant, she immediately stepped forward to help. "When I heard about Lisa [Gershowitz Flynn]'s plight, my heart broke," Rihanna tells PEOPLE exclusively. "I said, ‘I need to get the word out about Lisa right away.' - 0 Comments