Audrey Hepburn devoted much of her later life to charity.
Audrey Hepburn . Hepburn appeared in fewer films as her life went on , devoting much of her later life to UNICEF . She had contributed to the organisation since 1954 , then worked in some of the poorest communities of Africa , South America and Asia between 1988 and 1992 . The United Nations Children 's Fund ( UNICEF ; [ ˈjuːnᵻsɛf ] ) is a United Nations ( UN ) programme headquartered in New York City that provides humanitarian and developmental assistance to children and mothers in developing countries . UNICEF relies on contributions from governments and private donors , UNICEF 's total income for 2008 was US$ 3,372,540,239 .