Actress Leighton Meester vaulted into the pop culture vanguard in the fall of 2007 as the anti-heroine Blair Waldorf on the teen soap, “Gossip Girl” (The CW, 2007- ). Prior to her star-making turn on the popular show, the young Meester established her credentials with a voluminous list of television credits that included episodes of “7th Heaven” (WB/The CW, 1996-2007), “Veronica…
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