Leighton Meester: Wedding on Gossip Girl!

Leighton Meester is one beautiful bride on the set of Gossip Girl on Monday (November 14) in New York City.

The 25-year-old actress wore a long gorgeous gown with a lace overlay and accessorized with a glittering tiara as she filmed a wedding scene.

PHOTOS: Check out the latest pics of Leighton Meester

Also pictured inside are Penn Badgley and Chace Crawford hanging out between filming scenes earlier in the day.

10+ pictures inside of Leighton Meester, Penn Badgley, and Chace Crawford on the set of Gossip Girl…