Nicole Richie Joins Thin Camp

Nicole Richie in March 2005 and September 2004Nicole Richie seems to have taken a leaf out of that celeb book about dropping a dress size or two...

The Simple Life star and best mate of Paris Hilton has been seen out and about lately with less flesh on her bones than before.

And it wasn't as if she needed to lose any pounds in the first place.

But at the Vanity Fair post Oscars party last month, Nicole had decidedly scrawny arms and when compared to previous pictures, her face seems to have lost its roundness.

The 23-year-old adopted daughter of singer Lionel Richie joins an increasing list of Hollywood ladies who've shrunk in size.

Lindsay Lohan has recently hit out against claims that she has an eating disorder, attributing her weight loss to her body changing into a woman.

Nicole loses weight"People lose weight when they grow up; they lose their baby fat," she said.