Jennifer was in improve troupe, the Groundlings, at the same time as former boyfriend Chris Kattan and comedy actor Will Ferrell.
Jennifer is an alumnus of the Priscilla Beach Theatre, which specializes in summer stock training.
While in college, Jennifer was very obsessed with Meryl Streep and wanted to be an actress like her.
Jennifer has some experience of performing on stage. Her credits include Beverly Winwood Presents the Actors Showcase and The Women. She earned the very prestigious Drama Desk Award nomination for her performance in The Women.
One of Jennifer's regrets is that she signed for as a series regular on the TV series Joey, because it meant that closing the door on opportunities to work on movies due to lack of time.
In 2005, Jennifer was one of the 115 artists and executives invited to join the Academy of Motion Picture Arts and Sciences with a voting status in the organization's decisions.
Jennifer would love to do a role of a lawyer, serial killer or a scary lady.
Best Ensemble Cast for A Might Wind (2004) (Won).
Best Ensemble Cast for For Your Consideration (2006) (Nominated).
Best Ensemble Acting for A Might Wind (2004) (Nominated).
Teen Choice Awards
Choice Movie Sleazebag for The Cinderella Story (2005) (Won).
Jennifer has admitted she sometimes found it hard to like Joey, a sitcom she starred in.
Jokingly, she has said her drag queen name would be 'Tasty Doughnuts'.
Jennifer auditioned for the part of Lynette Scavo in Desperate Housewives, but missed out. She would still love to do a guest spot though.
She won the position on Entertainment Weekly's 2003 "It" List as the Smart Blonde.
She was discovered by film maker Christopher Guest, when he first saw her in a Groundlings performance. Since then she has appeared in three of his largely-improvised movies, Best In Show, A Mighty Wind and For Your Consideration.
As a struggling actor, she worked in a New York restaurant with an undiscovered Sandra Bullock.
On the set of her film A Cinderella Story, her fake fingernails had to be attached with tape because she was allergic to the glue.
Jennifer attended Norwell High School in Norwell, Massachusetts and spoke at graduation in 2002.
Jennifer is 5 feet 10 inches (1.78 metres) tall.
Jennifer: You know what, I'm very, very lucky and I think being a comedian really helps. I think you have a much longer span as a comedian than you do as a dramatic actress because I think there's more competition for a dramatic actress. I feel like sometimes when I go in for auditions it's the same five or six people sitting in the room. You know what I mean, it's a smaller world.
(on taking accents and mannerisms from real people)
Jennifer: I do shows, stage shows all the time, and I'm so afraid that people are going to recognize themselves, and they never do. They never do. They're always like, 'Oh, that woman was ridiculous,' and yeah, they're talking about themselves.
Jennifer: I prefer improvisation because you don't have to learn any lines. On Zoolander I thought I'd be improvising but Ben Stiller said no, you have to stick to the script. So I had to glue the words to the arm of the guy next to me.
Jennifer: Well, when I was six years old I told my parents that I wanted to be a dump picker and a lullaby singer for a living. And what I meant was I wanted to go to the dump and pick things out that could be restored and then I would go door to door and sing lullabies.
(on playing outside of comedy)
Jennifer: I think I might fail as a doctor. I don't think I would be believable as a doctor but I would love to play a lawyer or a serial killer. I would love to play some scary lady, someone really scary. How about a lawyer-serial killer but it's also a musical? But are you kidding? I would love to be in a serious role. I want to play someone who is really messed up.
(on filming in New Orleans, 2008)
Jennifer: It's very cool to see the movie business and how it can really help out a town. Then you think about how beautiful New Orleans is as far as a backdrop goes. The incredible locations you can come up with while at the same time you're employing a lot of people that really deserved to be employed...it's a really cool thing. Movies are happy down here and I'm so glad with all the tax breaks to encourage the films that would be shot other places, they could be shot here. What a great experience to stay in the place you're living in and go to work.
Jennifer: (Her thoughts on sequels) I like going back and doing a sequel. In sequels, it's the only chance for some actresses to really ask for some money.
Jennifer: (On how she would unwind on her day off) I like to drink maybe four or five high-powered cappuccinos and then I like to arrange flowers.
Jennifer: Cool things happen when you're not sitting around your house with your dog. Go out, even if you don't have the money to drink.
Jennifer: (her yearbook quote) There is no sacrifice too great for man's art.