While some celebs are using their name to promote luxury goods, Solange Knowles is putting her celebrity to better use. A longtime supporter of DKMS, Solange is joining the fight against blood cancer and is asking her fans to get swabbed, because one swipe of the mouth can help save a life.

Leukemia is the leading cause of death for children in the United States so watch the PSA below and visit www.GetSwabbed.org to register and find more information on how you can join Solange in the fight to cure blood cancer today.