EXCLUSIVE: 'Gossip Girl' Turns 10! Leighton Meester Shares Her Favorite Blair Waldorf Moment

3:27 PM PDT, Thu Sep 14, 2017

ET caught up with Leighton and her husband, Adam Brody, and she revealed her favorite Blair memory in honor of the show's 10th anniversary. 

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EXCLUSIVE: 'Gossip Girl' Turns 10! Leighton Meester Shares Her Favorite Blair Waldorf Moment

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