(New York, NY) The stars were out for the 5th Annual DKMS Gala—benefiting the fight against leukemia—held at Cipriani Wall Street last night.

Attended by Solange Knowles, Iman, David Bowie, Pharrell Williams and Keri Hilson; this year’s event honored pop singer Rihanna. The “What’s My Name” singer has helped in the fight to find leukemia sufferers bone marrow donors.

Before hitting the event’s red carpet, Rihanna tweeted, “Pullin up to DKMS Gala! Lights, Cameras…..ACTION!!!!! #Werk.”

TAGS: Cipriani Wall Street, David Bowie, DKMS, DKMS 5th Annual Gala, Eva Mendes, IMAN, Keri Hilson, Leukemia, New York, Pharrell Williams, RIHANNA, SOLANGE KNOWLES