Lena Dunham Smokes Fake Joint on 'Girls' Set

Lena Dunham rides a bike while filming scenes for the fifth season of her hit show Girls on Tuesday (June 23) in New York City.

The 29-year-old actress was joined on set by her co-star Jenny Slate.

PHOTOS: Check out the latest pics of Lena Dunham

“With a cutie girl & a fake prop joint deemed too large @girlshbo @jennyslate #workisHOT,” Lena wrote on Instagram on the same day.

The day before, Lena battled the wind while posing for a selfie with a fan in the Big Apple.

25+ pictures inside of Lena Dunham and Jenny Slate shooting Girls…