My friend was recently on the "90210" set and the first thing I asked him about his visit was, "What did those girls look like in person?" He shook his head and told me, "The girl who plays Silver ... it's scary."

It is scary. Two of "90210's" stars -18-year-old Shenae Grimes and 21-year-old Jessica Stroup -- are significantly and horrifyingly underweight, especially when te take into consideration that what we're seeing on TV includes 10 additional "camera pounds."

The gossip from the set is that Shenae and Jessica have gotten even thinner since the mostra started and that some of their cast...