Lena Dunham & Allison Williams: 'Girls' Set with Jemima Kirke!

Lena Dunham flashes a smile as she walks to her set location while filming season three of Girls on Tuesday (April 23) in New York City.

The 26-year-old actress was joined on the set by her co-stars Allison Williams and Jemima Kirk, who were shielded under a huge umbrella while they walked to their location.

PHOTOS: Check out the latest pics of Lena Dunham

“Every picturesque Sunday walk I take ends with me getting so hot and lost that I drop something important down a subway grate” Lena tweeted over the weekend. LOL!