American actress, producer, director, and writer who earned critical acclaim for co-creating and starring in HBO's Girls. She went on to co-create HBO's Camping starring Jennifer Garner.
She earned a degree in creative writing from Oberlin College.
She wrote, directed and starred in the independent film Tiny Furniture.
Musician Luis Felber has been her boyfriend. She previously dated Fun lead singer Jack Antonoff from 2012 until 2017. Her sister is actress Grace Dunham.
She had a supporting role in the film This Is 40 with Paul Rudd.