Leighton Meester

This sexy Texan has played a strangely hot psychotic roommate (The Roommate), a country-music star (Country Strong), and a sorority girl being hunted by a ghost (The Haunting of Sorority Row), but she's best known for her role as privileged Upper East Side socialite Blair Waldorf on Gossip Girl.

The Stem Cell Chronicles by BioXcellerator