World's most beautiful people from Angelina Jolie to Eva Longoria, see what makes the most captivating stars so utterly gorgeous in PEOPLE's special issue, on newsstands April 28.

ANGELINA JOLIE

"She looks the most beautiful when she's in the field – natural, no makeup, nothing," says Wyclef Jean of the actress-activist, 30. Indeed, her beauty needs are decidedly practical: a dusting of powder, a few strokes of mascara, a dab of Vaseline on her world-famous lips and – voilà! – she's ready to meet the president of Pakistan. "She wants to make a difference," says U.N. representative Guebre-Christos. "She does it with a lot of simplicity."