stephanie sy now reports.ll right crystal renn has that exotic sort of beauty loved by fashion photographers. she's been photographed by the best of them and featured in "vogue" magazine that bible of high fashion, six times. >> when you get on set, you're a different girl. >> reporter: but you'll notice immediately that she is several sizes bigger than other top models. >> instead of saying, why can't i be a size 4, why not? i can just say, i'm happy in a 12. >> reporter: in her timely all biography, "hungry," renn describes her introduction to modeling. >>> had to lose ten inches. >> reporter: that's a lot. >> yes. ten inches doesn't sound like that much. when you're 14 and you've never measured your hips. what i realized obviously later that, because of those ten inches, i almost lost my life. >> reporter: she struggled with anorexia for two years, whittling down her 5'9" frame to 95 pounds. did you feel beautiful? >> no, i didn't. how can you? i was so detached from my body, to the point where i would look

for "nightline," stephanie sy, new york. >>> speaking of the shift, we googled voluptuous fashion andre than 850,000 hits on everything from retailers to plus-size clothes to articles about women who are just happy being who they are, no matter their size. >> a lot of stores appeal specifically to certain sizes now. larger sized women. you talk about the shift. the time i pick up those magazines, i still don't see that shift. you see these waives wearing these clotheds that no onean fit into. >> you see the splash of a plus-size model and everyone else is a twig. >>> when we come back, time for your monday, no pun intended, skinny. >> good point. we've got the fat on the skinny. we've got an update on the letterman blackmail attempt and a serious tragedy for a real housewife. those stories coming up. >>> "skinny" time on monday. the david letterman story will not go away. more and more developments over the weekend, including this notion he had a secret little bachelor pad ap the ed sullivan theater just down broadway here in new york city. this ex-intern holly hester has come forward

here's stephanie sy. >> reporter: exposed roots, all together, less plump.hat might be called recession hair. >> i haven't had a haircut in probably a year, because, although, i love the cute little haircuts, i know that it's costly to keep those up. >> reporter: since the great depression, u.s. hair care has grown from modest beginnings to a $60 billion industry. but, its best days may be numbered. >> the boom years for salon was really in the '50s and the '90s i think that the days of the $600 haircut are numbered. >> reporter: instead, many americans are going back to homemade hair. it's been replaced by the buzz cut. >> 12/a pop. you give a tip, around $15. every ten days. it could be a car payment. >> reporter: middle and high-end salons are feeling the pinch. a recent nationwide survey, more than 70% reported a drop-off in customer spending. in connecticut, seats outnumber clients. anbusiness is down as many as 20%. >> either getting laid off or completely losing their job. they would go from a four-week appoint to six-week. from there, it went to cutt