Get the hottest celebrity news in pictures, including Lindsay Lohan, Tara Reid, Brad Pitt and more. By Janice Morris

SEXIEST ACT OF GOODWILL

Globe-trotter Brad Pitt – who, after filming Ocean's 12 in Europe, also campaigned for John Kerry and stem-cell research – landed in Ethiopia on Nov. 5 "for a listening and learning visit" on Africa's AIDS epidemic. Earlier in the week the actor, 40, began his trip in South Africa with an honor: Wearing Nelson Mandela's prison number, he met the 86-year-old former president and Nobel Peace Prize winner in Johannesburg (left).