Mollen appeared as Courtney in the series Girls in 2014. She has starred in the films Searching for Haizmann, D.E.B.S, Return of the Living Dead: Rave to the Grave, Cattle Call, My Best Friend’s Girl, Off the Ledge, Life Happens, Crazy, Stupid, Love, and Extracted. Mollen won an Award for Merit at the Accolade Competition in 2009 for writing the film Kidnapping Caitlynn. Her book of comedic essays I Like You Just The Way I Am was released in 2004 and made the New York Times best seller list. Jenny married actor Jason Biggs in 2008 and had their first son in 2014.