Rihanna Pictures: Rihanna attends the 5th annual DKMS "Linked Against Leukemia" gala at Cipriani Wall Street on April 28, 2011 in New York City.
Katharina Harf, COO of DKMS Americas presented an award to Rihanna in recognition for her tireless work in the fight against leukemia. The event also honored Michael Clinton, president, marketing & publishing director at Hearst Magazines with the "DKMS-Linked Against Leukemia Award" for fighting cancer and supporting organizations and charities dedicated to the cause.