Blake Lively: 'Gossip Girl' Set with Desmond Harrington!

Blake Lively is joined on the set of her show Gossip Girl by guest star Desmond Harrington on Friday (October 12) in New York City.

The 25-year-old actress and the 35-year-old Dexter actor filmed scenes alongside Penn Badgley and Chace Crawford on the chilly afternoon.

PHOTOS: Check out the latest pics from the set of Gossip Girl

Desmond plays Jack Bass, the evil uncle of Ed Westwick‘s character Chuck. He has appeared on several episodes throughout the series’ life.

Make sure to tune in for a new episode of Gossip Girl on Monday, October 15 at 9/8c on The CW!