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A Gossip Girl's Gotta Have a Dog!From Blake Lively to Leighton Meester, these Upper East Side gals (and guys) can't live without their must-have accessory: a pooch!
Updated: Monday Oct 08, 2012 | 05:45 AM EDT
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It's time for a good, old-fashioned heart-to-heart between Serena and Blair – or is it Blake, Leighton and Penny?
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