Leighton Meester as Blair Waldorf in Gossip Girl
One of the most remembered characters in a TV series was the beautiful and popular Blair Waldorf, who was in high school at age 16. Leighton brought this girl to life when she was 21 years old in 2007. In the second image, from the film Hangman’s Curse, we can see what Meester looked like at age 16.