Taylor Momsen, Leighton Meester Shoot Halloween ‘Gossip Girl’ (PHOTOS)

Halloween came early on the New York set of Gossip Girl this week, where Taylor Momsen donned a sparkly mask and a dramatic gown for an upcoming episode of the CW drama-fest.

Leighton Meester also appeared on-set in the Big Apple, wearing a hoodie and a glum expression as lovelorn socialite Blair Waldorf.

Click through for more shots of Taylor and Leighton busting out their acting talents for Gossip Girl. And for more Gossip goodness, how about Blake Lively’s Sexiest Looks Gallery?