Meanwhile, co-star Penn Badgley, carrying a guitar case, shot photographers a disgruntled look as he noshed on takeout between scenes.
This will be the sixth and final season for The CW hit, but it's doubtful Blake will have problems finding work after GG wraps for good. She starred in Oliver Stone's Savages this summer and scored a very lucrative campaign with Gucci's fragrance, Gucci Premiere.
"Gucci is a staple. It is a brand I have always looked up to because to me it represents strength," she said in a statement. "In their designs, in their images, in what they stand for philanthropically, and especially in their fragrance… I couldn't be more proud to be working with Gucci.”