Leighton Meester: Gossip Girl in the City

Blake Lively, Leighton Meester and Michelle Tractenberg on the set of ‘Gossip Girl’ in New York city, USA.

Leighton Meester is the definition of comfortable as she arrives on the set of Gossip Girl in New York City on Wednesday morning (November 9).

The 25-year-old actress arrived on the set with costar/pal Blake Lively to prepare for a huge episode — the 100th!

PHOTOS: Check out the latest pics of Leighton Meester

Check out more pics from the set of Blake, her pup Penny and Penn Badgley on JustJared.com!