Jennifer Lawrence & Bradley Cooper Are Really Having the Best Night

Jennifer Lawrence sports a more casual dress for the after party of a screening of her new flick Serena on Saturday evening (March 21) in New York City.

The 24-year-old actress and her co-star Bradley Cooper continued the laugh fest they began earlier that night before the screening.

PHOTOS: Check out the latest pics of Jennifer Lawrence

Also joining the stars at the after party was legendary actor Victor Garber.

FYI: Jennifer is wearing a Helmut Lang dress. The screening was hosted by Magnolia Pictures, The Cinema Society, and Dior Beauty.

Earlier that same day, Jennifer showed off her amazing style while exiting the Greenwich Hotel.