I'm not in the business of becoming famous. And that's the advice I give to younger aspiring actors. Work onstage and do the little roles. In the end it's not important to be seen. It's important to do. There's a lot of disappointment in this business, but my family keeps me grounded.

Bell often attends fund raisers for the ASPCA and other non-profit organizations dedicated to protecting animals. She co-starred with singers Christina Aguilera and Cher in the film musical Burlesque which was released on Thanksgiving in 2010. In 2001 during her senior year at New York University Bell left a few credits shy of graduating to take a role in the Broadway musical version of The Adventures of Tom Sawyer.

In 2001 Kristen Bell made her Broadway debut as Becky Thatcher in The Adventures of Tom Sawyer. Bell was also the voice of Cora in Astro Boy and is the voice and face of Lucy Stillman in the Assassin's Creed video game series. She also portrayed the lead role in Pulse a remake of a J-Horror film.