Leighton Meester & Sebastian Stan
Sebastian Stan and Leighton Meester
Photos of Gossip Girl's Chace Crawford, Leighton Meester, Ed Westwick, Sebastian Stan at the Knicks Game in NYC | POPSUGAR Celebrity
Pin for Later: 18 Actors Who Couldn't Seem to Stop Dating Their Costars Gossip Girl costars Leighton Meester and Sebastian Stan dated for two years before their split in 2010.
Sebastian and Leighton Meester
Leighton Meester and Sebastian Stan
absolutely adore this dress!