Most Radical Celebrity Weight Changes - Nicole Richie

In 2003, Nicole Richie looked pretty healthy. True, she could have stood to lose a few pounds, but then again, who couldn't? But Nicole took it to the skeletal extreme. She confessed to 'Vanity Fair' that she knows she's too thin, adding "I wouldn't want any young girl looking at me and saying, 'That's what I want to look like.'"