If you think that Leighton Meester wore Blair’s signature headbands off the lot or that Kiernan Shipka slipped a ’60s-era “Mad Men” dress into her bag at the end of the day, think again.
I spoke with Fawnia Soo Hoo, contributing editor of Fashionista.com, about the number one rule of thumb that audiences might not realize, where to find cast-offs from your favorite shows, and more.