Happy Birthday, Kristen and Leighton!


Rejoice, Twilight fans! Today is the birthday of Kristen Stewart... it's also the birthday of Gossip Girl Leighton Meester.

Stewart, who's also starred in movies such as "Into the Wild" and "Adventureland," is 20... wow, she's accomplished a lot in those 20 years, hasn't she? Meester is 24 today, and is set to have a stellar year, with the release of two new movies, "Oranges" and "Monte Carlo."

Happiest of birthdays, ladies! Have fun!

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