Blake Lively & Leighton Meester: 'Gossip Girl' Spoiler Scenes!

Blake Lively walks to her location on the set of Gossip Girl on Monday (October 15) in New York City.

The 25-year-old actress was joined on the set by her co-stars Leighton Meester, Chace Crawford, Ed Westwick, and Penn Badgley.

PHOTOS: Check out the latest pics of Blake Lively

During the day, the cast filmed a shocking scene for the show! Click inside if you want to find out what happens, or else beware of MAJOR spoilers!!

FYI: Leighton is wearing an Elie Saab Couture dress.

30+ pictures inside of Blake Lively and others on the set of Gossip Girl…