Jessica Alba, Paris Hilton,Campbell and other celebs at Africa Health Summit gala

Paris Hilton (L) poses with Cameroon's first lady Chantal Biya at the First Ladies of Africa Health Summit gala in Beverly Hills, California April 21, 2009. [Agencies]

Paris Hilton poses at the First Ladies of Africa Health Summit gala in Beverly Hills, California April 21, 2009. [Agencies]