Let's make this birthday one to remember.

53 years old (Born on February 02, 1971)

Actress, screenwriter; She is famous from Kissing Jessica Stein.

Jennifer is descended from a Swedish Nobleman (surname spelt Wu00e4stfeldt), and she is therefore listed in the Swedish Book of Peerage. Starred in two pilot episodes for network TV series that did not get chosen to air the following season. One was written by Paul Reiser, the other was called "Dante" and she played the agent of a fictional pro football player. Attended Guilford High School in Guilford, CT, where she starred in several school theatrical productions. She attended Yale University. Has been in a relationship for nine years with "Mad Men" (2007) lead actor Jon Hamm [2007]. Was nominated for Broadway's 2004 Tony Award as Best Actress (Featured Role - Musical) for a revival "Wonderful Town."

Has a sister and a dog.

Won a 2004 Theater World Award for the Broadway revival of "Wonderful Town."