Find out what it's like working with the iconic costume designer!
Look back on some of his best looks through the years.
Look back on some of Queen B's most memorable looks!
Look back on some of her best style!
See our Pinterest board dedicated to the Queen B's princess-like outfits!
See some of the style highlights from "New York, I Love You XOXO."
Which bridal style did you like the best in the series finale?
You can own eight of the same headbands the Queen B wore on the show -- for $4,000!
Ring in the holidays with this gallery of Serena's sparkly outfits from all six seasons of Gossip Girl!
Gossip Girl fashion blogger Karissa Bowers picks her fave looks from the latest episode.