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Blair Waldorf (played by Leighton Meester) has one of the best storylines on Gossip Girl—she’s going to be a royal bride! During last night’s season premiere episode, we got a preview of her potential wedding gown—a scoop-neck design made with Chantilly lace, pearl buttons, and a crystal-encrusted waistline embellishment—when she wore it for a photo shoot. While the dress is an heirloom look once worn by her fiancé Prince Louis Grimaldi of Monaco’s mother and is being thrust upon her in the plotline, in real life it’s a creation by the label Theia. “It was an honor and a huge thrill to see the gorgeous Blair Waldorf looking radiant and regal in Theia,” the label’s creative director Don O’Neill (inset) told InStyle.com exclusively. “She looked every bit a royal bride.” Ultimately, the dress she will wear is still a pending issue… that is, if she walks down at all. Tell us: Do you think she will wear this look?

See more Gossip Girl fashion in the gallery!