Jennifer Westfeldt (born February 2, 1970) is an American actress and screenwriter known for the 2001 independent film Kissing Jessica Stein, her 2004 Tony nomination for Wonderful Town, and her 2011 film Friends with Kids. Westfeldt was born in Guilford, Connecticut, the daughter of Constance "Connie" (née Meyers), a therapist, and Patrick McLoskey Westfeldt, Jr., an electrical engineer. Westfeldt's mother is Jewish. She graduated from Guilford High School and attended Yale University, where she sang with the a cappella group Redhot & Blue. In 1997, Westfeldt began a relationship with actor Jon Hamm. They owned homes in Los Angeles and the Upper West Side in New York City. In an interview discussion about his relationship with Westfeldt, Hamm said: "We may not have a piece of paper that says we're husband and wife, but after 10 years, Jennifer is more than just a girlfriend. What we have is much deeper and we both know that. To me, people get married when they're ready to have kids, which I'm not ruling out." In April 2009, Hamm and Westfeldt formed their own production company, Points West Pictures. Hamm and Westfeldt are advocates of animal rescue and have adopted a mixed breed dog named Cora from the Much Love Animal Shelter in California. In September 2015, Hamm and Westfeldt announced they were ending their relationship.

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