Falling down on the runway is every model's worst nightmare. No matter how adept you are at walking in four-inch heels, runway accidents can happen. Now it hasn't even happened to me -- knock on wood -- but it did happen to poor Elise Crombez during last week's Proenza Schouler show. From the photographs, it's hard to tell what happened with the Belgian gamine. My guess is that the silk socks caused her foot to pop right out of the black platform shoes. Regardless of the "why," you have to feel sorry for the poor girl. Proenza Schouler is a hugely popular label, so you can pretty much assume that anyone who is of any consequence in the fashion industry saw her tumble. Call me a cynic, but I have feeling that Elise is going to have a hard time living this one down. I'll be interested to see if she is back on the catwalk in February.