Blair Waldorf's Jewellery: A Sentimental Statement Pendant In addition to going OTT with the hair accessories, Blair is rarely spotted without her Tiffany & Co. Fleur de Lis Key Pendant necklace. She loves vintage style, and she's quite traditional, so it makes sense that she would have a signature, everyday jewellery piece that reminds her of New York City's posh heritage. Image Source: Everett Collection