Welcome back, Upper East Siders. If you thought the summer heat was fading, think again—Season 3, Episode 3, "," just turned up the temperature. From high-stakes auctions to family secrets that refuse to stay buried, this episode was a masterclass in the "toxic but we love it" drama that makes this show our favorite guilty pleasure. The Great Sotheby’s Showdown

The emotional climax where Vanessa watches Scott lie to his parents is a total tear-jerker. Whether you’re a fan of Vanessa or not, her role in this secret is setting up a massive explosion for the Humphrey-van der Woodsen clan. Spotted: Our Favorite Looks : A Joie top paired with a Rag & Bone skirt. Blair : Pure "preppy chic" elegance at the auction.

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Serena is still trying to prove her independence, and what better way to do that than by hanging out with the Upper East Side’s resident bad boy, Carter Baizen? For their meet-up, Serena ditched the prep for a boho-chic ensemble featuring a Matthew Williamson vest and some killer lace-up heels .