Leighton Meester: 'Gossip Girl' Set with Ed Westwick

Leighton Meester wears some comfy flip flops while on the set of Gossip Girl on Friday afternoon (August 17) in New York City’s Upper East Side.

The 26-year-old actress traded in her rust colored dress for a laid back look while filming with co-stars Ed Westwick, Chace Crawford, and Kelly Rutherford for the sixth and final season of the hit CW show.

PHOTOS: Check out the latest pics of Leighton Meester

Just the week before, Leighton and Ed were spotted filming additional scenes for the show.

10+ pictures inside of Leighton Meester and Ed Westwick…