Jessica Chastain showed her support for Hollywood writers at the Writers Guild of America Awards in LA last night, while Lena Dunham snagged an award at the WGA's ceremony in NYC. The WGA Awards  take place on both coasts — at the JW Marriott in LA and the B.B. King Blues Club in NYC — and each event was full of big winners.
Lena and her Girls writing team walked away with best new TV series, while Jessica's film Zero Dark Thirty won best original screenplay for Mark Boal. Meanwhile, Ben Affleck 's Argo continued its award season sweep by picking up best adapted screenplay for writer Chris Terrio. Other big winners for the night included Fred Armisen, who won the best comedy/variety series award for Portlandia, and the writers of Breaking Bad and Louie, who won best drama series and best comedy series, respectively.
The award season fun isn't over for Jessica and the rest of the film industry as they prepare for the upcoming Oscars, which take place Sunday, Feb. 24. Click through to see Jessica and Lena along with Amy Poehler , Tobey Maguire , and Julie Bowen at the WGA Awards, and don't forget to fill out our Oscar ballot  for a chance to win $1,000 and an iPad!
Jessica Chastain attended the WGA Awards.
Lena Dunham hugged Gina Gershon at the WGA Awards in NYC.
Julie Bowen went for orange on the red carpet.
Amy Poehler  and Aubrey Plaza walked the red carpet together at the WGA Awards in LA.
Tobey Maguire  presented an award.
Kate Walsh  went for a glam look.
Mindy Kaling looked beautiful on the red carpet.
Jane Lynch  wore a simple suit.
Adam Scott and Amy Poehler  presented an award together.
Kerry Bishé wore a sparkly number.
Mark Duplass and Katie Aselton walked the red carpet together in LA.
Nathan Fillion looked dapper at the WGA Awards.
Jacki Weaver wore a lace dress.
Anna Gunn went for a black cocktail dress.
Fred Armisen picked up an award for Portlandia.