Nina is the one judge on Project Runway whom you don't want to mess with. She will laugh at your taste level, scoff at your stitching and tear apart your every fashion dream.

In some circles, she's known as "Meana."

She was all smiles and wiles, though, as she greeted fans at the NYC department store.

The ProjRun contestants should just clue her in that they bought her book. She might lighten up on them.

They just need to make sure they don't wear Crocs. God forbid.