Check out more photos of Leighton Meester running around Paris (literally) with costars, Selena Gomez and Katie Cassidy, while shooting scenes for their upcoming movie, Monte Carlo, on June 22, 2010.
Check out photos of Penn Badgley and Jessica Szohr celebrating a new season at Malibu Rum's First Day of Summer Kick-Off Party held at the Tribeca Rooftop in NYC on June 21, 2010.
Like Gossip Girl herself, some of our fave GG-ers can't resist sending out blasts from their CrackBerries. Sometime between filming and being famous, the cast manages to squeeze in primo Twitter time. Here are a couple of choice tweets.