Oprah Winfrey emerged as number one on 2010's list of most generous celebrities, for having given away more than $40 million. Nora Roberts and Meryl Streep came in second and third place.
Do celebrities make good models for philanthropy? Actress Marlo Thomas, National Outreach Director for St. Jude's Children's Research Hospital, discusses the importance of matching the right celebrity with the right cause.
Do celebrities make good philanthropic role models? Pledge to be more philanthropic in 2011.