Socialite-turned-actress Nicole Richie has faced up to her weight loss after once insisting she's just naturally thin. The star has opened up to style magazine Vanity Fair, admitting she shudders at the thought of young women trying to obtain her skinny look. Richie accepts her slim look can be a concern and admits she has a weight problem. She says, "I know I'm too thin right now, so I wouldn't want any young girl looking at me and saying, 'That's what I want to look like.'" But she insists her weight problems are not connected to an alleged eating disorder,...