Leighton Meester turns 28 on Wednesday, and though Gossip Girl is over, her legacy as Blair Waldorf lives on — primarily in her timeless style and sassy reaction GIFs. Blair's eye rolls are like snowflakes, no two alike; her insults are creatively devastating; and her happiness, when she chooses to let it out, is unparalleled. To celebrate Meester's big day, let's revisit her very best Blair GIFs.
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Source: The CW